- Ochieng' Nelly
- Ochieng Wa Odiaga
- Ochil Ibragimov
- Ochilbek Matchonov
- Ochira Michael Toco
- Ocho
- Ocho Bolas
- Ocho De Bastos
- Ocho De Bastos
- Ocho Macho
- Ocho Pies
- Ocho Rios
- Ocho y Media
- Ochoa
- Ochosa
- Ochre
- Ochs Ostertag
- Ochtopus
- Ochun
- Ocie Stockard & His Wanderers
- Ocio
- Ocio
- Ock
- Ocker
- Ockham's Razor
- Ockham's Razor
- Ocko Allstars Band
- Ockum's Razor
- Ocky
- O.C.M.
- OCN
- Oco
- Ocoai
- Ocobar
- OCOCO
- O'Combo
- O'Connor
- O'Connor
- OConnor
- O'Connor
- OCOOP
- Ocote Soul Sounds
- Ocote Soul Sounds & Adrian Quesada
- Ocotoe Soul Sounds
- Ocp
- OCQ
- O.C.R.
- Ocrilim
- Ocrilim (Octus)
- OCS