Alabama Cities
- O'Neal, AL
- Oak, AL
- Oak Bowery, AL
- Oak Grove, AL
- Oak Hill, AL
- Oak Lawn, AL
- Oak Level, AL
- Oak Park, AL
- Oak Ridge, AL
- Oak Village, AL
- Oakahalla, AL
- Oakchia, AL
- Oakdale, AL
- Oakdale Acres, AL
- Oakland, AL
- Oakley, AL
- Oakman, AL
- Oakmulgee, AL
- Oakville, AL
- Oakwood, AL
- Oaky Streak, AL
- Oateston, AL
- Ocampo, AL
- Oceola, AL
- Octagon, AL
- Oden Ridge, AL
- Odena, AL
- Odenville, AL
- Odom Crossroads, AL
- Ofelia, AL
- Ohatchee, AL
- Okatuppa, AL
- Old Bethel, AL
- Old Bingham, AL
- Old Blevins Mill, AL
- Old Bluffport, AL
- Old Burleson, AL
- Old Coloma, AL
- Old Davisville, AL
- Old Eastaboga, AL
- Old Fabius, AL
- Old Harmony, AL
- Old Jonesboro, AL
- Old Kingston, AL
- Old Maylene, AL
- Old Monrovia, AL
- Old Nauvoo, AL
- Old Samuel, AL
- Old Spring Hill, AL
- Old Texas, AL
- Old Town, AL
- Oleander, AL
- Oliver, AL
- Ollie, AL
- Olney, AL
- Olustee, AL
- Omaha, AL
- Omega, AL
- Oneonta, AL
- Onycha, AL
- Opelika, AL
- Ophir, AL
- Opine, AL
- Opp, AL
- Orange Beach, AL
- Orion, AL
- Orrville, AL
- Osaka, AL
- Osanippa, AL
- Osborn, AL
- Osco, AL
- Oswichee, AL
- Otho, AL
- Ottery, AL
- Our Town, AL
- Overbrook, AL
- Overton, AL
- Owassa, AL
- Owens, AL
- Owens Cross Roads, AL
- Ox Level, AL
- Oxford, AL
- Oxmoor, AL
- Ozan, AL
- Ozark, AL
