| Artist | Title | Release Year | Length | Genre | |
|---|---|---|---|---|---|
| Oceanic | Insanity | 1991 | 15:55 | House | Details |
| Off-Shore | I Can't Take The Power | 1990 | 12:13 | House | Details |
| Off-Shore | I Can't Take The Power | 1990 | 12:13 | House | Details |
| OMC | How Bizarre | 1995 | 17:24 | Pop | Details |
| One On One | You're My Type (Make Your Body Move) | 1989 | 13:01 | House | Details |
| One-eyed Jacks | Falling | 1991 | 13:44 | Downtempo | Details |
| Operon | Entertainment Chamber | 2009 | 06:33 | Drum and Bass | Details |
| Outhere Brothers | Boom Boom Boom | 1995 | 29:58 | Club | Details |
| Outhere Brothers | Don't Stop (Wiggle Wiggle) | 1995 | 26:22 | Club | Details |