- O'Banion Mobile Home Park
- Oak Creek
- Oak Creek Mobilodge
- Oak Grove
- Oak Knoll Village
- Oak Park Mobile Home Park
- Oak Springs
- Oak Wells
- Oakhurst
- Oasis Junction Mobile Home Park
- Oatman
- Ocotillo
- Ocotillo
- Octave
- Oit Ihuk
- Olberg
- Old Columbine
- Old Glory
- Old Leupp
- Old Tucson
- Olga
- Olive West
- Oljato-Monument Valley
- One Mile
- Oracle Foothills Estates
- Oracle Junction
- Oraibi
- Orange Grove Estates
- Orange Grove Estates Mobile Home Park
- Orange Grove Mobile Manor