Denbighshire
Historic counties data provided by Association of British Counties / Historic Counties Trust.
| Name | Location | County | Country | Power source | Type | Function | River |
| Berwyn Saw Mill, Glyndwfrdwy | Glyndyfrdwy, Corwen | Denbighshire | United Kingdom | Water | Watermill | Saw mill | Nant Isaf |
| Bodran Mill, Llanfair Talhaiarn | Llanfair Talhaiarn | Denbighshire | United Kingdom | Water | Watermill | ||
| Candy Mill, Aberwheeler | Aberwheeler | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Wheeler |
| Chirk Mill, Chirk | Chirk | Denbighshire | United Kingdom | Water | Watermill | ||
| Cobden Mill, Wrexham | Wrexham | Denbighshire | United Kingdom | Roller flour mill | Corn mill | ||
| Colwyn Mill, Colwyn Bay | Colwyn Bay | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Nant y Groes |
| Dee Mill, Llangollen | Llangollen | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Dee |
| Dee Woollen Mill, Llangollen | Llangollen | Denbighshire | United Kingdom | Water | Watermill | Woollen mill | Dee |
| Denbigh Windmill, Denbigh | Denbigh | Denbighshire | United Kingdom | Wind | Tower mill | ||
| Erbistock Mill, Erbistock | Erbistock | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Dee |
| Felin Isaf Clover Mill, Pentrefelin | Pentrefelin, Llansanffraid Glan Conwy | Denbighshire | United Kingdom | Water | Watermill | Nant Garreg-Ddu | |
| Felin Isaf Corn Mill, Pentrefelin | Pentrefelin, Llansanffraid Glan Conwy | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Nant Garreg-Ddu |
| Felin Lifio, Bontuchel | Bontuchel, Cyffylliog | Denbighshire | United Kingdom | Water | Watermill | Saw mill | Clywedog |
| Furnace Mill, Bodnant Estate, Eglwysbach | Eglwysbach | Denbighshire | United Kingdom | Watermill | Corn mill, Saw mill | Hiraethlyn | |
| Gorse mill, Deheufryn Farm, Dolwen | Dolwen, Betws yn Rhos | Denbighshire | United Kingdom | Water | Watermill | Farm mill, Gorse mill | |
| Gorse mill, Plâs-Mattw, Llangernyw | Llangernyw | Denbighshire | United Kingdom | Water | Watermill | Farm mill, Gorse mill | Cledwen |
| Gorse mill, Tyddyn-nant-y-cwm, Llanfair Talhaiarn | Llanfair Talhaiarn | Denbighshire | United Kingdom | Water | Watermill | Farm mill, Gorse mill | Nant Barrog |
| King's Mill, Wrexham | Wrexham | Denbighshire | United Kingdom | Water | Watermill | ||
| Llanferres Mill, Llanferres | Llanferres | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Alun/Alyn |
| Llangedwyn Mill, Llangedwyn | Llangedwyn | Denbighshire | United Kingdom | Water | Watermill | Corn mill, Saw mill | Tanat |
| Melin Talhaiarn, Llanfair Talhaiarn | Llanfair Talhaiarn | Denbighshire | United Kingdom | Water | Watermill | ||
| Mile End Mill, Llangollen | Llangollen | Denbighshire | United Kingdom | Water | Watermill | Textile mill | Dee |
| Nant Mill, Coedpoeth | Coedpoeth | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Clywedog |
| Pandy, Abbey Farm, Llangollen | Llangollen, Llantysilio | Denbighshire | United Kingdom | Water | Watermill | Fulling mill | Eglwyseg |
| Pandy, Llansilin | Llansilin | Denbighshire | United Kingdom | Water | Watermill | Fulling mill | Ogau |
| Pentre Mill, Loggerheads, Llanferres | Llanferres | Denbighshire | United Kingdom | Water | Watermill | Corn mill, Saw mill | Alun/Alyn |
| Pulseton Mill, Wrexham | Wrexham | Denbighshire | United Kingdom | Electricity, Steam, Water | Roller flour mill, Watermill | Corn mill | Clywedog |
| Ruthin Mill, Ruthin | Ruthin | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Clwyd |
| Saw mill, Erddig Hall | Erddig Hall, Marchwiel | Denbighshire | United Kingdom | Steam | Saw mill | ||
| Saw mill, Garthewin House, Llanfair Talhaiarn | Llanfair Talhaiarn | Denbighshire | United Kingdom | Water | Watermill | Saw mill | Elwy |
| Saw mill, Llangedwyn Hall | Llangedwyn | Denbighshire | United Kingdom | Water | Watermill | Saw mill | Llyn y Briw |
| Saw mill, Park Farm, Ruthin | Ruthin | Denbighshire | United Kingdom | Water | Watermill | Saw mill | Clwyd |
| Segrwyd Mill, Nantglyn | Nantglyn | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Lliwen |
| Trevor Mill, Llangollen | Llangollen | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Dee |
| Watermill, Llanarmon Dyffryn Ceiriog | Llanarmon Dyffryn Ceiriog, Ceiriog Ucha | Denbighshire | United Kingdom | Water | Watermill | Woollen mill | Tributary to Ceiriog |
| Watermill, Llandegla | Llandegla | Denbighshire | United Kingdom | Water | Watermill | ||
| Watermill, Melin-y-coed | Melin-y-coed | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Cyffdy |
| Watermill, Pentre Voelas | Pentre Voelas | Denbighshire | United Kingdom | Water | Watermill | Corn mill | Meddwr |
| Waterwheel, Wynnstay Park | Wynnstay Park, Ruabon | Denbighshire | United Kingdom | Water | Watermill | Pumping mill/wheel | Eitha |