Cities of United States starting with letter O Page 60
- Old Scott
- Old Severna Park
- Old Shade Furnace
- Old Sheffield
- Old Shell Beach
- Old Shongaloo
- Old Side
- Old Siloam
- Old Silver Beach
- Old Snead
- Old Sneedsboro
- Old Somerset
- Old South
- Old South Estates
- Old Spain
- Old Sparta
- Old Sparta (Conecuh County)
- Old Spring Hill
- Old Spring Hope
- Old Springville
- Old Squaw Skin Landing
- Old Stage Manor
- Old Stage Run
- Old Stanton
- Old State Mobile Home Village
- Old Stephensburg
- Old Stonington
- Old Sturbridge Village
- Old Success
- Old Sugar Loaf
- Old Suwanee Estates
- Old Sweetwater
- Old Sycamore Estates
- Old Sydney
- Old Tacoma
- Old Tallapoosa
- Old Tavern
- Old Ten
- Old Texas
- Old Texas (Faulkner County)
- Old Tip Town
- Old Toroda
- Old Town (Bernalillo County)
- Old Town (Brunswick County)
- Old Town (Charleston County)
- Old Town (City of Baltimore)
- Old Town (Clallam County)
- Old Town (Conecuh County)
- Old Town (Dallas County, Alabama)
- Old Town (Dickinson County, Iowa)