| Old Lycoming Township, PA (Township) |
| Old Lyme, CT (Town) |
| Old Mill Creek, IL (Village) |
| Old Monroe, MO (City) |
| Old Orchard Beach, ME (Town) |
| Old Palm Community Development District, FL (CDD) |
| Old Ripley, IL (Village) |
| Old Ripley Township, IL (Township) |
| Old River-Winfree, TX (City) |
| Old Saybrook, CT (Town) |
| Old Shawneetown, IL (Village) |
| Old Tappan, NJ (Borough) |
| Old Town, ME (City) |
| Old Washington, OH (Village) |
| Old Westbury, NY (Village) |
