| Orem, UT (City) |
| Orestes, IN (Town) |
| Orford, NH (Town) |
| Orfordville Village, WI (Village) |
| Orient, OH (City) |
| Orient, SD (Town) |
| Orient, SD (Township) |
| Orient, IA (City) |
| Orient, IL (City) |
| Orient, ME (Town) |
| Orient Township, IA (Township) |
| Orient Township, MI (Township) |
| Orienta Town, WI (Town) |
| Oriental, NC (Town) |
| Orinda, CA (City) |
