Cities of United States starting with letter O Page 31
- Ottawa Estates
- Ottawa Junction
- Ottenheim
- Otter
- Otter (Powder River County)
- Otter Cove Estates
- Otter Creek (Carlton County)
- Otter Creek (Hancock County, Maine)
- Otter Creek (Jackson County, Iowa)
- Otter Creek (Lewis County, New York)
- Otter Creek (Oliver County)
- Otter Creek (Pierce County)
- Otter Creek Junction
- Otter Creek Junction (Vigo County)
- Otter Hill
- Otter Hole
- Otter Hook
- Otter Kill
- Otter Kill Estates
- Otter Lake (Oneida County)
- Otter Pond
- Otter River
- Otter Rock
- Otter Village
- Otterbein (Darke County)
- Otterbein (Franklin County, Pennsylvania)
- Otterbein (Hardin County, Ohio)
- Otterbein (Los Angeles County)
- Otterbein (Warren County)
- Otterburn
- Otterdale
- Otterdale Mill
- Otterdam Mobile Home Park
- Otterman
- Otters Run
- Ottersdale
- Otterview Gardens
- Otterville (Bedford County)
- Otterville (Buchanan County, Iowa)
- Otterville (Merrimack County)
- Ottery
- Ottine
- Ottinger
- Ottman Corners
- Otto
- Otto (Allegheny County)
- Otto (Beltrami County)
- Otto (Big Horn County, Wyoming)
- Otto (Cattaraugus County)
- Otto (Clark County, Indiana)