- Oatman
- Olberg
- Oracle Junction
- Oraibi
- Overgaard
- Oak Springs
- Olga
- Oak Creek Mobilodge
- Old Leupp
- One Mile
- O'Banion Mobile Home Park
- Oak Park Mobile Home Park
- Oxbow Estates
- Oxbow Estates Mobile Home Park
- Old Columbine
- Oak Grove
- Oakhurst
- Ocotillo
- Olive West
- Orange Grove Estates Mobile Home Park
- Orangetree
- Orangetree Estates
- Orangewood Village Mobilehome Park
- Oregon Trail Mobile Home Park
- Out West Trailer Park
- Overland Trail
- Oljato-Monument Valley
- Oit Ihuk
- Old Tucson
- Oracle Foothills Estates