Midlothian
Historic counties data provided by Association of British Counties / Historic Counties Trust.
| Name | Location | County | Country | Power source | Type | Function | River |
| Balerno Bank Paper Mill, Balerno | Balerno | Midlothian | United Kingdom | Water | Watermill | Paper mill | Bavelaw Burn |
| Bonington Mill, Leith, Edinburgh | Leith, Edinburgh | Midlothian | United Kingdom | Water | Watermill | ||
| Caledonia Mills, Leith | Leith | Midlothian | United Kingdom | Electricity | Roller flour mill | Corn mill | |
| Chancelot Mill, Leith (new) | Leith, Edinburgh | Midlothian | United Kingdom | Electricity | Roller flour mill | Corn mill | |
| Chancelot Mill, Leith (old) | Leith | Midlothian | United Kingdom | Steam | Roller flour mill | Corn mill | |
| Haymarket Flour Mills, Edinburgh | Edinburgh | Midlothian | United Kingdom | Electricity, Steam | Roller flour mill | Corn mill | |
| Junction Meal and Flour Mills, Leith | Leith | Midlothian | United Kingdom | Electricity, Steam | Roller flour mill | Corn mill, Oatmeal mill | |
| Leith Mills, Edinburgh | Commercial Street, Leith, Edinburgh | Midlothian | United Kingdom | Electricity | Roller flour mill | Corn mill | |
| Swanfield Roller Flour Mills, Leith | Leith | Midlothian | United Kingdom | Steam | Roller flour mill | Corn mill |