- Out of Step -- Outcast
- Outcast -- Outka
- Outka -- Outpost and Emveez, Swave Sevah, Poison Pen, Breez
- Outpost Uncorporated -- Outspoken Blues
- Outstation -- Ovadya
- Ovadya Yossef -- Over The Atlantic
- Over The Atlantic -- Overflo
- Overflo -- Overrocket
- Oversat -- Ovidio Garcia
- Ovidio González -- Owen Clark
- Owen Cook -- Owen Pye
- Owen Pye -- Ox. Eagle. Lion. Man.
- Ox/Kid Lightning -- Oxygiser 2
- Oxymora -- Oz
- Oz Artists -- Ozie Ware
- Ozihan & Kamien -- Ozzie Smith