Cornwall
Historic counties data provided by Association of British Counties / Historic Counties Trust.
| Name | Location | County | Country | Power source | Type | Function | River |
| Addicroft Mill, Linkinhorne | Linkinhorne | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Alsia Mill, St Buryan | St Buryan, Lamorna and Paul | Cornwall | United Kingdom | Water | Watermill | Corn mill | Tributary to Penberth Stream |
| Amble Mill, St Kew | St Kew | Cornwall | United Kingdom | Water | Watermill | ||
| Antony Creek Tide Mill, Antony | Antony | Cornwall | United Kingdom | Water | Tide mill | Corn mill | |
| Anvower Mill, Helston | Helston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Anvower Top Mill, Helston | Helston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Ardevora Mill, Philleigh | Philleigh | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Argal Mill, Mabe | Mabe | Cornwall | United Kingdom | Water | Watermill | ||
| Arsenic Works, Roseworthy | Roseworthy | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Badharlick Mills, Egloskerry | Egloskerry | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Barrett's Mill, Harrowbarrow | Harrowbarrow | Cornwall | United Kingdom | Water | Watermill | ||
| Basil Farm Mill, St Clether | St Clether | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Basil Mills, St Clether | St Clether | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Basset Works, Devoran | Devoran | Cornwall | United Kingdom | Water | Watermill | Forge mill | Carnon |
| Bawgan's Tin Works, Ilogan | Ilogan | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Beneathwood Mill, Plushabridge | Plushabridge | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Bicton Mill, St Ive | St Ive | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Binner Stamps Mill, Leedstown | Leedstown | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Bishops Wood Mill, Truro | Truro | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | Allen |
| Bissick Mill, Ladock | Ladock | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Blowinghouse Mill, St Agnes | St Agnes | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Blue Hills Mine, Trevellas Coombe, St Agnes | St Agnes | Cornwall | United Kingdom | Wind, Water | Watermill | Mine mill/wheel | |
| Bodgara Mill, Liskeard | Liskeard | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Bogga Mill, Lanreath | Lanreath | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Bosanath Mill, Mawnan | Mawnan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Boscolla Mill, Kenwyn | Kenwyn | Cornwall | United Kingdom | Water | Watermill | ||
| Bosvarghus Mill, Tregeseal | Tregeseal | Cornwall | United Kingdom | Water | Watermill | ||
| Brea Adit Works, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Bridges Mill, Luxulyan | Luxulyan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Buryas Bridge Mill, Newlyn | Newlyn | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Buzza Mill, St Mary's | St Mary's, Isles of Scilly | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Carbeal Mill, Torpoint | Torpoint | Cornwall | United Kingdom | Water | Tide mill | ||
| Carbis Mill, St Erth | St Erth | Cornwall | United Kingdom | Water | Watermill | Corn mill | Hayle |
| Carlyon Mill, Trevalver, St Minver Highlands | Trevalver, St Minver Highlands | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Carmears Wheel Pit, Luxulyan Valley, Luxulyan | Luxulyan | Cornwall | United Kingdom | Water | Watermill | China stone mill | Par |
| Carnelloe Mine, Zennor | Zennor | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Carthew Mill, Newbridge | Newbridge | Cornwall | United Kingdom | Water | Watermill | Corn mill | Newlyn |
| Carthew Mill, St Austell | St Austell | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Chapel Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Chark Mill, Lanlivery | Lanlivery | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Cheney Mill, St Erth | St Erth | Cornwall | United Kingdom | Water | Watermill | Forge mill | |
| Clapper Mill, St Buryan | St Buryan, Lamorna and Paul | Cornwall | United Kingdom | Water | Watermill | Corn mill | Lamorna Stream |
| Colbiggan Mill, Roche | Roche | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Cooks Kitchen Mine, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | ||
| Coombe Mill, Chapel Amble | Chapel Amble | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Coombe Mill, Morwenstow | Morwenstow | Cornwall | United Kingdom | Water | Watermill | Corn mill | The Randy River |
| Coosebeen Mill, Truro | Truro | Cornwall | United Kingdom | Water | Watermill | ||
| Copperhouse Mill, Hayle | Hayle | Cornwall | United Kingdom | Water | Tide mill | Corn mill | |
| Corn mill, Coombe | Coombe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Cosawes Gunpowder Mills, Ponsanooth | Ponsanooth | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | |
| Cosawes MilI, Perranarworthal | Perranarworthal | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | Kennal |
| Coswarth Mill, Colan | Colan | Cornwall | United Kingdom | Water | Watermill | ||
| Cotehele Mill, St Dominick | St Dominick | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Court Mills, Coombe | Coombe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Courtledge Mill, Kirland | Kirland | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Coverack Mill, St Keverne | St Keverne | Cornwall | United Kingdom | Water | Watermill | ||
| Cowling's Mill, Kea | Kea | Cornwall | United Kingdom | Water | Watermill | ||
| Crean Mill, St Buryan | St Buryan, Lamorna and Paul | Cornwall | United Kingdom | Water | Watermill | Corn mill | Penberth Stream |
| Creggian Mill, Grade Ruan | Grade Ruan | Cornwall | United Kingdom | Water | Watermill | ||
| Criffle Mill, Cutmere | Cutmere | Cornwall | United Kingdom | Water | Watermill | Tiddy | |
| Criggan Mill, Porth Mellin | Mullion | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Crumplehorn Mill, Polperro | Polperro | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Cutcrew Mill, Tideford | Tideford | Cornwall | United Kingdom | Water | Watermill | Saw mill | St Germans |
| Demelza Mill, St Wenn | St Wenn | Cornwall | United Kingdom | Water | Watermill | ||
| Demesnes Mill, Higher Demesnes, Lostwithiel | Higher Demesnes, Lostwithiel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Dennybowl Mill, Antony | Antony | Cornwall | United Kingdom | Water | Watermill | Corn mill | Lynher |
| Dinham Mill, Dinham, St Minver | St Minver | Cornwall | United Kingdom | Water | Corn mill | Tributary to Camel | |
| Dolcoath Lower Floors, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Dolcoath Mine, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Drannack Mill, Gwinear | Gwinear | Cornwall | United Kingdom | Water | Watermill | ||
| Electricity Generating Wheel, Trewen | Trewen | Cornwall | United Kingdom | Water | Watermill | Electricity generating mill | |
| Empacombe Mill, Maker | Maker | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Eower Mill, Veryan | Veryan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Farm mill, Scarabine Farm, Port Quin | Scarabine Farm, Port Quin | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Ford Mill, Trematon | Trematon | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Forder Mill, Saltash | Saltash | Cornwall | United Kingdom | Water | Watermill | ||
| Frogwell Mill, Newbridge | Newbridge | Cornwall | United Kingdom | Water | Watermill | ||
| Garrison Mill, St Marys | St Marys, Isles of Scilly | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Geen Mill, Probus | Probus | Cornwall | United Kingdom | Water | Roller flour mill, Watermill | Corn mill | Tresillian |
| Gimblett's Mill, Laneast, Trewen | Laneast, Trewen | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Glamorgan Mill, St Dominic | St Dominic | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Godcott Mill, North Petherwin | North Petherwin | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Goldsithney Mill, Perranuthnoe | Perranuthnoe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Goodwinnow Farm Mill, Newlyn East | Newlyn East | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Gover Mill, St Austell | St Austell | Cornwall | United Kingdom | Water | Watermill | Bone mill, Saw mill | |
| Gurnards Head Mine, Zennor | Zennor | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Gweek Mill, Gweek | Gweek | Cornwall | United Kingdom | Water | Watermill | Corn mill | Helford |
| Gweek Seal Sanctury Mill, St Mawgan | St Mawgan | Cornwall | United Kingdom | Water | Watermill | Pumping mill/wheel | |
| Halgabron Mill, Tintagel | Tintagel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Hawksland Farm Mill, St Issey | St Issey | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Hay Lake Mill, Tilland | Tilland | Cornwall | United Kingdom | Water | Watermill | Corn mill | Tiddy |
| Haye Mill, Callington | Callington | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Hele Mill, Marhamchurch | Marhamchurch | Cornwall | United Kingdom | Water | Watermill | ||
| Heligan Mill, Mevagissey | Mevagissey | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Helland Mill, Mabe | Mabe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Hepwell Mill, Quethiock | Quethiock | Cornwall | United Kingdom | Water | Watermill | ||
| Herodsfoot Mill, Liskeard | Liskeard | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | West Looe |
| Heskyn Mill, Tideford | Tideford | Cornwall | United Kingdom | Water | Watermill | Corn mill | Tiddy |
| Hick's Mill, Bissoe | Bissoe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Hick's Mill, Polyphant | Polyphant | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Hingham Mill, Egloshayle | Egloshayle | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Hustyn Mine, Burlawn | Burlawn | Cornwall | United Kingdom | Water | Watermill | ||
| Jope's Mill, Morval | Morval | Cornwall | United Kingdom | Water | Watermill | Corn mill | Seaton |
| Jordan Mill, Boscastle | Boscastle | Cornwall | United Kingdom | Water | Watermill | ||
| Kelly Green Farm Mill, St Tudy | St Tudy | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Kemyel Lower Mill, Lamorna | St Buryan, Lamorna and Paul | Cornwall | United Kingdom | Water | Watermill | Pumping mill/wheel | Lamorna Stream |
| Kemyel Upper Mill, Lamorna | St Buryan, Lamorna and Paul | Cornwall | United Kingdom | Water | Watermill | Corn mill | Lamorna Stream |
| Kennall Vale Lower Mill, Ponsanooth | Ponsanooth | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | Kennall |
| Kennall Vale Mill, Ponsanooth | Ponsanooth | Cornwall | United Kingdom | Water | Watermill | Corn mill | Kennall |
| Kennall Vale Upper Mill, Ponsanooth | Ponsanooth | Cornwall | United Kingdom | Water | Watermill | Paper mill | Kennall |
| Kenningstock Mill, Helstone | Helstone | Cornwall | United Kingdom | Water | Watermill | ||
| Kernick Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Kerriers Mill, Bodmin | Bodmin | Cornwall | United Kingdom | Water | Watermill | ||
| Kieve Mill, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | ||
| Killaworgey Mill, St Columb Major | St Columb Major | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lambourne Mill, Perranzabuloe | Perranzabuloe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lampen Mill, St Neot | St Neot | Cornwall | United Kingdom | Water | Watermill | ||
| Langerton Mill, Whitstone | Whitstone | Cornwall | United Kingdom | Water | Watermill | ||
| Lanseague Mill, St Kew | St Kew | Cornwall | United Kingdom | Water | Watermill | Corn mill | Allen |
| Laveddon Mill, Bodmin | Bodmin | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lavethan Mill, Blisland | Blisland | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lawrey's Mill, St Mawgan-in-Pydar | St Mawgan-in-Pydar | Cornwall | United Kingdom | Water | Watermill | Corn mill | Menalhyl |
| Lawry's Mill, Nanskeval | Nanskeval | Cornwall | United Kingdom | Water | Watermill | Menalhyl | |
| Lemail Quinneys Mill, Egloshayle | Egloshayle | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Little Brynn Mill, Roche | Roche | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Little Petherick Mill, St Breock | St Breock | Cornwall | United Kingdom | Water | Watermill | ||
| Littlewood Mill, St Mabyn | St Mabyn | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lombard Mill, Lanteglos | Lanteglos | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Looe Mills, Liskeard | Liskeard | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Loven's Mill, Hayle | Hayle | Cornwall | United Kingdom | Water | Watermill | ||
| Lower Bamham Mill, Lawhitton | Lawhitton | Cornwall | United Kingdom | Water | Watermill | ||
| Lower Bosavern Cot Mill, St Just | St Just | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lower Mill, Ruan Minor | Ruan Minor | Cornwall | United Kingdom | Water | Watermill | ||
| Lower Mill, St Columb Major | St Columb Major | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lower Milltown, Lostwithiel | Lostwithiel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lower Paper Mill, Stithians | Stithians | Cornwall | United Kingdom | Water | Watermill | Paper mill | |
| Lower Polgassic Mill, Lansallos | Lansallos | Cornwall | United Kingdom | Water | Watermill | ||
| Lower Way Mill, St Wenn | St Wenn | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Lowertown Mill, Helston | Helston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Manor Mill, Crowan | Crowan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Manor Mill, St Agnes | St Agnes | Cornwall | United Kingdom | Water | Watermill | ||
| Manorial Mill, Ellenglaze | Ellenglaze | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Meanehay Farm Mill, Budock | Budock | Cornwall | United Kingdom | Water | Watermill | Pumping mill/wheel | |
| Melancoose Mill, Colan | Colan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Melinsey Mill, Veryan | Veryan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Mellanvrane Mill, Angarrack | Angarrack | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Mellingey Mill, St Issey | St Issey | Cornwall | United Kingdom | Water | Watermill | ||
| Menadue Mill, Trewarmett | Trewarmett | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Methleigh Farm Mill, Porthleven | Porthleven | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Mill House, Little Petherick | Little Petherick | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Millook Mill, Millook | Poundstock | Cornwall | United Kingdom | Water | Watermill | Corn mill | Millook Water |
| Mine Wheel, Coombe | Coombe | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Mount Herman Mill, Landewednack | Landewednack | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Mullyon Mills, Helston | Helston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Nancemellin Mill, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Nancledra Mill, Ludgvan | Ludgvan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Nanslone Mill, Penwartha Coombe | Penwartha Coombe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| New Mills, Ladock | Ladock | Cornwall | United Kingdom | Water | Watermill | ||
| New Mills, Launceston | Launceston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Newhall Mill, St Teath | St Teath | Cornwall | United Kingdom | Water | Watermill | ||
| Newmill, Madron | Madron | Cornwall | United Kingdom | Water | Watermill | ||
| Old Mill, Boscastle | Boscastle | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Old Mill, St Stephen | St Stephen | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Old Tuckingmill Foundry, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Forge mill | |
| Pawton Mill, St Breock | St Breock | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Pencarrow Mill, Wadebridge | Wadebridge | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Pendarves Mill, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Penhale Mill, Merther | Merther | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Penhellick Farm Mill, St Columb | St Columb | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Peninnis Mill, St Mary's | St Mary's, Isles of Scilly | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Penpol Mill, St Veep | St Veep | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Penpoll Mill, Manaccan | Manaccan | Cornwall | United Kingdom | Water | Watermill | ||
| Penponds Mill, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Penpont Mill, Altarnun | Altarnun | Cornwall | United Kingdom | Water | Watermill | ||
| Penscombe, Lezant | Lezant | Cornwall | United Kingdom | Water | Watermill | Farm mill | Tamar |
| Peterville Foundry, St Agnes | St Agnes | Cornwall | United Kingdom | Water | Watermill | Forge mill | |
| Place Mill, St Anthony | St Anthony | Cornwall | United Kingdom | Water | Tide mill | Corn mill | |
| Point Mill, Bissoe | Bissoe | Cornwall | United Kingdom | Water | Watermill | ||
| Poldark Mine, Trenear | Trenear | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Polgassic Mill, Llansallos | Llansallos | Cornwall | United Kingdom | Water | Watermill | ||
| Pollard Mill, Pembod | Pembod | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Polmorla Mill, Polmorla | Polmorla, Wadebridge | Cornwall | United Kingdom | Water | Watermill | ||
| Poltesco Higher Mill, Ruan Minor | Ruan Minor | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Poltesco Lower Mill, Ruan Minor | Ruan Minor | Cornwall | United Kingdom | Water | Watermill | ||
| Polwheveral Mills, Constantine | Constantine | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Ponsanooth Mill, Ponsanooth | Ponsanooth | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | Kennall |
| Pont Mill, Pont | Pont | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Pont Sawmill, Pont | Pont | Cornwall | United Kingdom | Water | Watermill | Saw mill | |
| Port Isaac Mill, Port Isaac | St Endellion | Cornwall | United Kingdom | Water | Watermill | Corn mill | Coastal Stream |
| Poughill Mill, Bush, Stratton and Bude | Bush, Stratton and Bude | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Pumping wheel, Coombe | Coombe | Cornwall | United Kingdom | Water | Watermill | Pumping mill/wheel | |
| Radland Mill, St Dominick | St Dominick | Cornwall | United Kingdom | Water | Watermill | ||
| Reddyford Mill, Treneglos | Treneglos | Cornwall | United Kingdom | Water | Watermill | ||
| Reskadinnick Mill, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Resugga Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | ||
| Reterth Mill, St Columb Major | St Columb Major | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Ridgegrove Mill, Launceston | Launceston | Cornwall | United Kingdom | Water | Watermill | Textile mill | |
| Rilla Mill, Callington | Callington | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Rooke Farm Mill, Chapel Amble | Chapel Amble | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Roscaddon Mill, Manaccan | Manaccan | Cornwall | United Kingdom | Water | Watermill | ||
| Roscarrack Mill, Falmouth | Falmouth | Cornwall | United Kingdom | Water | Watermill | ||
| Rose Hill Pump, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Pumping mill/wheel | |
| Roseland Mill, Menheniot | Menheniot | Cornwall | United Kingdom | Water | Watermill | Forge mill | |
| Roseney Mill, Lanlivery | Lanlivery | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Roserrow Mill, Rock | Rock | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Rosewarne Mill, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Red River | |
| Rosewastis Estate Mill, St Columb Major | St Columb Major | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Roseworthy Hammer Mill, Gwinear | Gwinear | Cornwall | United Kingdom | Water | Watermill | ||
| Roseworthy Mill, Gwinear | Gwinear | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Rôskennals Mill, Sancreed | Sancreed | Cornwall | United Kingdom | Water | Watermill | Corn mill | Newlyn |
| Salter Mill, Saltash | Saltash | Cornwall | United Kingdom | Water | Tide mill | ||
| Saw mill, Trehannick | Trehannick | Cornwall | United Kingdom | Water | Watermill | Saw mill | |
| Scawn Mill, St Keyne | St Keyne | Cornwall | United Kingdom | Water | Watermill | Corn mill | West Looe |
| Scawswater Mill, Idless | Idless | Cornwall | United Kingdom | Water | Watermill | Corn mill | Allen |
| Sea Mill, Padstow | Padstow | Cornwall | United Kingdom | Water | Tide mill | ||
| Seaureaugh Mill, Stithians | Stithians | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Shilla Mill, Polzeath | Polzeath | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| St John Mill, Torpoint | Torpoint | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| St Martin Mill, Hessenford | Hessenford | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tankerslake Mill, Tregadillet | Tregadillet | Cornwall | United Kingdom | Water | Watermill | ||
| Tegameer Mills, Dalziel and Gluvian | Dalziel and Gluvian | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tehidy Mill, Ilogan | Ilogan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Terras Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Terras Mine, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Tide mill, Dinham, St Minver | St Minver | Cornwall | United Kingdom | Water | Tide mill | Bone mill | Tributary to Camel |
| Tide mill, Millbrook | Millbrook | Cornwall | United Kingdom | Water | Tide mill | Corn mill | |
| Tide mill, St Anthony's Passage | St Anthony's Passage | Cornwall | United Kingdom | Water | Tide mill | Corn mill | |
| Tide mill, Trevorrick | Trevorrick | Cornwall | United Kingdom | Water | Tide mill | Corn mill | |
| Tin Streaming Works, Tolgus Valley | Tolgus Valley | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Tolgarrick Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | ||
| Tolgarrick Tin Works, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Tolgus Foundry, Redruth | Redruth | Cornwall | United Kingdom | Water | Watermill | Forge mill | |
| Tolgus Mill, Redruth | Redruth | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tolvaddon Tin Works, Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Tower mill, Fowey | Fowey | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Tower mill, Trevone | Trevone | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Town Mill, Grampound | Grampound | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Town Mill, St Neot | St Neot | Cornwall | United Kingdom | Water | Watermill | Corn mill | St Neot |
| Town Mills, Launceston | Launceston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trannack Mill, Sithney | Trannack | Cornwall | United Kingdom | Water | Watermill | Corn mill | Cober |
| Treator Mill, Padstow | Padstow | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Trebithick Mill, Trebullet | Trebullet | Cornwall | United Kingdom | Water | Watermill | Farm mill | Inny |
| Trecorme Mill, Quethiock | Quethiock | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tredinnick Mill, St Mabyn | St Mabyn | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tredivett Mill, South Petherwin | South Petherwin | Cornwall | United Kingdom | Water | Watermill | ||
| Treen Mill, St Levan | St Levan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Treffy Mill, Fowey | Fowey | Cornwall | United Kingdom | Wind | Tower mill | Corn mill | |
| Trefuge Mill, Coad's Green | Coad's Green | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tregargus China Stone Mill (1), St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Tregargus China Stone Mill (2), St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | Barn |
| Tregargus China Stone Mill (3), St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Tregargus China Stone Mill (4), St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Tregargus Corn Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tregarrick Mill, Duloe | Duloe | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tregidden Mill, Manaccan | Manaccan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tregidgeo Farm Mill, Grampound | Grampound | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Tregirls Mill, Altarnun | Altarnun | Cornwall | United Kingdom | Water | Watermill | ||
| Tregonning Mill, Stithians | Stithians | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tregoose Mill, St Colomb Major | St Colomb Major | Cornwall | United Kingdom | Water | Watermill | ||
| Tregwarmond Mill, St Minver | St Minver | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trehaddle Mill, Cusgarne | Cusgarne | Cornwall | United Kingdom | Water | Watermill | ||
| Trehudreth Mill, Blisland | Blisland | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Treknow Mill, Trebarwith | Trebarwith | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trelowarren Mills, Mawgan, Meneage | Mawgan, Meneage | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trengwainton Home Farm Mill, Madron | Madron | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Trenlithick Mill, Trenissick | Trenissick | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Trenowth Flour Mill, Probus | Probus | Cornwall | United Kingdom | Water | Watermill | Corn mill | Fal |
| Trenowth Mine Wheel, Probus | Probus | Cornwall | United Kingdom | Water | Watermill | China stone mill | Fal |
| Tresaddern Mill, St Columb Major | St Columb Major | Cornwall | United Kingdom | Water | Watermill | ||
| Tresidder Mill, St Buryan | St Buryan, Lamorna and Paul | Cornwall | United Kingdom | Water | Watermill | Penberth Stream | |
| Tresmeake Mill, Altarnun | Altarnun | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Tresquite Mill, Pelynt | Pelynt | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trethake Mill, Lanteglos | Lanteglos | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trethellan Mill, Stithians | Stithians | Cornwall | United Kingdom | Water | Watermill | ||
| Trethem Mill, St Just in Roseland | St Just in Roseland | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trethewell Mill, St Eval | St Eval | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trethowel Mill, St Austell | St Austell | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevague Mill, Altarnun | Altarnun | Cornwall | United Kingdom | Water | Watermill | ||
| Trevarno Mill, Sithney | Sithney | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevear Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | ||
| Trevear Mine Mill, St Stephen in Brannel | St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Treveglos Mill, Lanivet | Lanivet | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Treverbyn Mill, St Neot | St Neot | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevethoe Mill, Lelant | Lelant | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevillet Mill, Tintagel | Tintagel | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevillett Mill, Rocky Valley | Rocky Valley | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevisquite Mill, St Mabyn | St Mabyn | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trevuzza Mill, Fraddon | Fraddon | Cornwall | United Kingdom | Water | Watermill | ||
| Trewardreva Mill, Constantine | Constantine | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trewerry Mill, Newlyn East | Newlyn East | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Trewey Mill, Trewey, Zennor | Trewey, Zennor | Cornwall | United Kingdom | Water | Watermill | Corn mill | Zennor Stream |
| Trewithen Mill, St Breock | St Breock | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Treworgie Mill, Manaccan | Manaccan | Cornwall | United Kingdom | Water | Watermill | Corn mill | Durra |
| Trouts Mill, Menheniot | Menheniot | Cornwall | United Kingdom | Water | Watermill | ||
| Trungle Mill, Gwinear | Gwinear | Cornwall | United Kingdom | Water | Watermill | Bone mill, Corn mill | |
| Tucking Mill, Canworthy Water | Canworthy Water | Cornwall | United Kingdom | Water | Watermill | Fulling mill | |
| Tywarnhale Mill, Mount Hawke | Mount Hawke | Cornwall | United Kingdom | Water | Watermill | ||
| Upper Bosavern Cot Mill, St Just | St Just | Cornwall | United Kingdom | Water | Watermill | ||
| Upton Mill, Trebarwith | Trebarwith | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Ventongimps Mill, Perranzabuloe | Perranzabuloe | Cornwall | United Kingdom | Water | Watermill | ||
| Wacker Mill, Torpoint | Torpoint | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill (N), Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Watermill (north), Perranporth | Perranporth | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill (S), Camborne | Camborne | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Watermill (south), Perranporth | Perranporth | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Bagmill Farm | Bagmill Farm | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Bealsmill | Bealsmill | Cornwall | United Kingdom | Water | Watermill | Corn mill | Inny |
| Watermill, Boyton | Boyton | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Camelford | Camelford | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Carclew | Carclew | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Castle Farm, Cardinham | Castle Farm, Cardinham | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Combe, Cornwall | Combe | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Watermill, Coombe Mill | Coombe Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Court Farm, Marhamchurch | Court Farm, Marhamchurch | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Devoran | Devoran | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Dunmere | Dunmere | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Gooseham | Gooseham | Cornwall | United Kingdom | Water | Watermill | Corn mill | Marshland |
| Watermill, Grampound | Grampound | Cornwall | United Kingdom | Water | Watermill | Pumping mill/wheel | |
| Watermill, Hallane Bay, Trenarren | St Austell Bay | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Helland | Helland | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Hellandbridge | Hellandbridge | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Helligan Mill | Helligan Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Hepwell Bridge | Hepwell Bridge | Cornwall | United Kingdom | Water | Watermill | Tiddy | |
| Watermill, Illogan | Illogan | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Kensevale Tannery, Launceston | Launceston | Cornwall | United Kingdom | Water | Watermill | Bark mill | |
| Watermill, Lamellyon | Lamellyon | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Launceston | Launceston | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Lerryn | Lerryn | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Lower Tremeer Farm, St Tudy | Lower Tremeer Farm, St Tudy | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Manaton Mill | Manaton Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Melangoose | Melangoose | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Millbrook, Cornwall | Millbrook | Cornwall | United Kingdom | Water | Tide mill | ||
| Watermill, New Mill | New Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Newmill | Newmill | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Newton | Newton | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, North Hill | North Hill | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Otterham | Otterham | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Pendogett | Pendogett | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Penryn | Penryn | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Watermill, Pillaton | Pillaton | Cornwall | United Kingdom | Water | Watermill | Lynher | |
| Watermill, Polbathic | Polbathic | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Polgreen Farm, St Mawgan | Polgreen Farm, St Mawgan | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Rialton Barton | Rialton Barton | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Spring Farm, St Stephen in Brannel | Spring Farm, St Stephen in Brannel | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, St Austell | St Austell | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, St Winnow | St Winnow | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Stoke Climsland | Stoke Climsland | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Sydenham Damerel | Sydenham Damerel | Cornwall | United Kingdom | Water | Watermill | Corn mill | Tamar |
| Watermill, Trago | Trago | Cornwall | United Kingdom | Water | Watermill | Gunpowder mill | Fowey |
| Watermill, Trebartha | Trebartha | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Watermill, Trebarwith Farm, Tintagel | Tintagel | Cornwall | United Kingdom | Animal, Water | Watermill | Farm mill | |
| Watermill, Trecarrel Mill | Trecarrel Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Trefrize Mill | Trefrize Mill | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Tregarne Mill | Tregarne Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Tregrehan Mills | Tregrehan Mills | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Treguddick Mill | Treguddick Mill | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Tregunnus Mill | Tregunnus Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Trekenner Mill | Trekenner Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Trenoweth Mill | Trenoweth Mill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Treslake | Treslake | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Treveal Mill | Treveal Mill | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Trevillet | Trevillet | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Treviscoe | Treviscoe | Cornwall | United Kingdom | Water | Watermill | China stone mill | |
| Watermill, Trewen | Trewen | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Trewornan Manor | Trewornan Manor | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Tubb's Mill | Tubb's Mill | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, Tuckingmill | Tuckingmill | Cornwall | United Kingdom | Water | Watermill | ||
| Watermill, Twelveheads | Twelveheads | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Watermill, West Looe | Looe | Cornwall | United Kingdom | Water | Tide mill | Bone mill | East Looe |
| Watermill, White Cross | White Cross | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Waterwheel, Delabole | Delabole | Cornwall | United Kingdom | Water | Watermill | Quarry mill/wheel | |
| West Mill, Mount | Mount | Cornwall | United Kingdom | Water | Watermill | ||
| West Mill, Pantersbridge | Pantersbridge | Cornwall | United Kingdom | Water | Watermill | Corn mill | Warleggan |
| West Ruthern Farm Mill, Ruthernbridge | Ruthernbridge | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Wheal Bray Mill, Altarnun | Altarnun | Cornwall | United Kingdom | Water | Watermill | ||
| Wheal Martyn Mill, St Austell | St Austell | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Wheal Mucky Mill, Roseworthy | Roseworthy | Cornwall | United Kingdom | Water | Watermill | ||
| Wheal Music Mill, Porthtowan | Porthtowan | Cornwall | United Kingdom | Water | Watermill | Mine mill/wheel | |
| Whitehay Mill, Withiel | Withiel | Cornwall | United Kingdom | Water | Watermill | Farm mill | |
| Willow Mill, St Kew | St Kew | Cornwall | United Kingdom | Water | Watermill | ||
| Wilton Mill, Pelynt | Pelynt | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Windmill, Ding Dong Mine | Ding Dong Mine, Madron | Cornwall | United Kingdom | Wind | Mine mill/wheel | ||
| Windmill, Kit Hill | Kit Hill, Callington | Cornwall | United Kingdom | Wind | Mine mill/wheel | ||
| Windmill, St Ives | St Ives, Cornwall | Cornwall | United Kingdom | Wind | Corn mill, Saw mill | ||
| Windmill, Wendron | Wendron, Cornwall | Cornwall | United Kingdom | Wind | Mine mill/wheel | ||
| Wood Mill, Luxulyan | Luxulyan | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Woolston Mill, Marhamchurch | Marhamchurch | Cornwall | United Kingdom | Water | Watermill | Corn mill | |
| Worthyvale Manor Mill, Camelford | Camelford | Cornwall | United Kingdom | Water | Watermill | Corn mill |