- O’Bil Bil
- O'briens Hill
- O’ Haras Gap
- O'Reilly
- Oak Beach
- Oak Forest
- Oakenden
- Oakey
- Oakey Creek
- Oakhurst
- Oaktree
- Oakview
- Oakwood
- Oaky Creek
- Oban
- Obriens Hill
- Obum Obum
- Offham
- Ogmore
- OK Village
- Okeden
- Okuloo
- Old Glenroy
- Old Kalpower
- Old Peak Vale
- Old Talgai
- Old Westwood
- Olden Island
- Oman-Ama
- One Tree Island