- O'Neil Landing
- Oak Grove
- Oasis
- Obar
- Ocate
- Ochoa
- Ohkay Owingeh
- Oil Center
- Ojita
- Ojito
- Ojito
- Ojitos Frios
- Ojo Amarillo
- Ojo Caliente
- Ojo Caliente
- Ojo Encino
- Ojo Feliz
- Ojo Sarco
- Old Campbell Place
- Old Carthage
- Old Chilili
- Old Hachita
- Old Horner Place
- Old Isaacs Place
- Old Longbotbam Place
- Old Moses
- Old Town
- Old Town
- Old Waterman Place
- Old Wright Place