| Otter Creek Township, IL (Township) |
| Otter Creek Township, IA (Township) |
| Otter Creek Township, IA (Township) |
| Otter Creek Township, IA (Township) |
| Otter Creek Township, IA (Township) |
| Otter Creek Township, IA (Township) |
| Otter Lake, MI (Village) |
| Otter Tail, MN (Township) |
| Otter Tail County, MN (County) |
| Otter Tail Peninsula, MN (Township) |
| Otter Township, IA (Township) |
| Otterbein, IN (Town) |
| Ottercreek, NE (Township) |
| Ottertail, MN (City) |
| Otterville, IL (Town) |
