Interpreten O
- O´Brien (Paddy)
- O´Conner (Sinéad)
- Oasis
- Oberbrandacher (Walter)
- Ocean (Billy)
- Ocean
- Ochsenknecht
- Odyssey
- Ofarim (Esther & Abi)
- Ohio Express
- Oldfield (Mike)
- Oldfield (Mike) & John Anderson
- Onidis (Nicky)
- Onions (Oliver
- Opus
- Orbison (Roy)
- Orloff (Peter)
- Osmonds (Donny)
- Osmonds (Donny & Marie)
- Osmonds (The)
- Osterwald (Hazy)
- Ottawan