| Oregon, IL (City) |
| Oregon, OR (State) |
| Oregon, OH (City) |
| Oregon, IN (Township) |
| Oregon, IN (Township) |
| Oregon, MO (City) |
| Oregon City, OR (City) |
| Oregon County, MO (County) |
| Oregon Town, WI (Town) |
| Oregon Township, PA (Township) |
| Oregon Township, MI (Township) |
| Oregon Township, IA (Township) |
| Oregon Village, WI (Village) |
| Oregon-Nashua Township, IL (Township) |
| Orel Township, IL (Township) |
