| Millington, MI (Village) |
| Millington, TN (City) |
| Millington, IL (Village) |
| Millington, MD (Town) |
| Millington Township, MI (Township) |
| Millinocket, ME (Town) |
| Millis, MA (Town) |
| Millport, NY (Village) |
| Millport, AL (Town) |
| Millry, AL (Town) |
| Mills, WY (Town) |
| Mills County, IA (County) |
| Mills County, TX (County) |
| Mills River, NC (Town) |
| Mills Township, IL (Township) |
