- O.B.X. Creek
- O’Connell
- Oak Range
- Oak Vale
- Oakdale
- Oakdale
- Oakey Creek
- Oakhampton
- Oaklands
- Oakleigh
- Oakwood
- Oallen
- Oban
- Oberne
- Oberon
- Obley
- Ocean Beach
- Ocean Shores
- Ocean View
- Ohio
- Old Adaminaby
- Old Bar
- Old Bogolara
- Old Bonalbo
- Old Burren
- Old Erowal Bay
- Old Grevillia
- Old Junee
- Old Koreelah
- Old Morago