| Name | Location | County | Country | Power source | Type | Function | River |
| Aden Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | ||
| Bruxie Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | ||
| Clackriach Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | South Ugie Water | |
| Clola Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | Quhomery Burn | |
| Dumbmill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | North Ugie Water | |
| Elrick Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | Ebrie Burn | |
| Gaval Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | North Ugie Water | |
| Hythie Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | North Ugie Water | |
| Milladen Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | South Ugie Water | |
| Millbreck Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | Quhomery Burn | |
| Milltown of Clola Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | ||
| Milton of Gaval Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | North Ugie Water | |
| Pitfour Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | ||
| Quartalehouse Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | ||
| Quhomery Mill, Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | Quhomery Burn | |
| Waulkmill (1), Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | Fulling mill | Water of Cruden |
| Waulkmill (2), Old Deer | Old Deer | Aberdeenshire | United Kingdom | Water | Watermill | Fulling mill | South Ugie Water |