Flintshire
Historic counties data provided by Association of British Counties / Historic Counties Trust.
| Name | Location | County | Country | Power source | Type | Function | River |
| Abbey Paper Mills, Greenfield | Greenfield, Holywell | Flintshire | United Kingdom | Water | Watermill | Paper mill | Holywell Stream |
| Afonwen Mill, Caerwys | Caerwys | Flintshire | United Kingdom | Water | Watermill | Paper mill | Wen |
| Bettisfield Mill, Bettisfield | Bettisfield, Maelor South | Flintshire | United Kingdom | Wind | Tower mill | Corn mill | |
| Caergwrle Mill, Caergwrle | Caergwrle, Hope | Flintshire | United Kingdom | Water | Watermill | Corn mill | Alun/Alyn |
| Crescent Factory, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Woollen mill | Holywell Stream |
| Croes-Onen Windmill, Pen-y-Maes | Holywell | Flintshire | United Kingdom | Wind | Tower mill | ||
| Dyserth Mill, Dyserth | Dyserth | Flintshire | United Kingdom | Water | Watermill | Woollen mill | Ffyddion |
| Felin Fach, Marian Mills, Cwm | Cwm | Flintshire | United Kingdom | Water | Watermill | Corn mill | Ffyddion |
| Felin Fawr, Marian Mills, Cwm | Cwm | Flintshire | United Kingdom | Water | Watermill | Corn mill | Ffyddion |
| Felin Isaf, Trelawnyd | Trelawnyd, Trelawnyd and Gwaenysgor | Flintshire | United Kingdom | Water | Watermill | Ffyddion | |
| Flint Mill, Flint | Flint | Flintshire | United Kingdom | Water | Watermill | Corn mill | Swinchiard Brook |
| Geinas Mill, Bodfari | Bodfari | Flintshire | United Kingdom | Water | Watermill | ||
| Greenfield Mills, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Brass mill, Copper works, Rolling mill, Textile mill | Holywell Stream |
| Grove Mill, Cwm | Cwm | Flintshire | United Kingdom | Water | Watermill | Corn mill | Ffyddion |
| Holywell Textile Mill, Flint | Flint | Flintshire | United Kingdom | Water | Watermill | Cotton mill, Paper mill | Swinchiard Brook |
| Hope Paper Mills, Cefn-y-bedd | Cefn-y-bedd, Llanfynydd | Flintshire | United Kingdom | Water | Watermill | Paper mill | Alyn |
| Llewerllyd Mill, Dyserth | Dyserth | Flintshire | United Kingdom | Water | Watermill | Corn mill | Ffyddion |
| Lower Mill, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Corn mill, Woollen mill | Holywell Stream |
| Meadow Mills, Greenfield | Greenfield, Holywell | Flintshire | United Kingdom | Water | Watermill | Rolling mill | Holywell Stream |
| Mold Cotton Mill, Mold | Mold | Flintshire | United Kingdom | Water | Watermill | Cotton mill | Alun/Alyn |
| Oakenholt Mill, Oakenholt | Oakenholt, Flint | Flintshire | United Kingdom | Water | Watermill | Corn mill | Lead Brook |
| Oakenholt Paper Mill, Oakenholt | Oakenholt, Flint | Flintshire | United Kingdom | Water | Watermill | Paper mill | Lead Brook |
| Pandy Mill, Cwm | Cwm | Flintshire | United Kingdom | Water | Watermill | Corn mill, Fulling mill | Ffyddion |
| Pandy, Dyserth | Dyserth | Flintshire | United Kingdom | Water | Watermill | Fulling mill | Ffyddion |
| Parys Mine, Greenfield | Greenfield, Holywell | Flintshire | United Kingdom | Water | Watermill | Crushing mill | Holywell Stream |
| Penley Mill, Penley | Penley | Flintshire | United Kingdom | Water | Watermill | Corn mill | |
| Rolling mill, Coed Du | Coed Du, Cilcain | Flintshire | United Kingdom | Water | Watermill | Rolling mill | Alyn |
| Rossett Mill, Rossett | Rossett | Flintshire | United Kingdom | Water | Watermill | Corn mill | Alun/Alyn |
| Sarn Mill, Nannerch | Nannerch | Flintshire | United Kingdom | Water | Watermill | ||
| Saw mill, Caergwrle | Caergwrle, Hope | Flintshire | United Kingdom | Water | Watermill | Saw mill | Alun/Alyn |
| Talacre Saw Mill, Talacre Estate, Talacre | Talacre, Llanasa | Flintshire | United Kingdom | Water | Watermill | Saw mill | The Dingle |
| Tower mill, Buckley | Buckley | Flintshire | United Kingdom | Wind | Tower mill | ||
| Upper Mill, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Woollen mill | Holywell Stream |
| Victoria Mills, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Corn mill, Cotton mill | Holywell Stream |
| Watermill, Hawarden | Hawarden | Flintshire | United Kingdom | Water | Watermill | Corn mill | Broughton Brook |
| Wheeler Paper Mills, Caerwys | Caerwys | Flintshire | United Kingdom | Water | Watermill | Paper mill | Chwiler |