| Ocean | Put Your Hand In The Hand | Put Your Hand In The Hand | 69 | Rock | Unidisc | 1971 |
| Ocean Colour Scene | You've Got It Bad | — | 141 | — | Mca Records | 1996 |
| Ocean Drive | Enjoy | Astral Body Original Funki Mix | 126 | — | Kult | 2009 |
| Ocean Drive | With The Sunshine | — | 150 | — | — | — |
| Ocean Park Standoff | Good News | — | 90 | Rock | Hollywood | 2017 |
| Ocean Park Standoff | Good News | Intro Edit | 90 | Pop | Hollywood | 2017 |
| Ocean Park Standoff | Good News | Quick Edit | 90 | Pop | Hollywood | 2017 |
| Ocean Park Standoff | Good Time | — | 72 | Rock | — | 2019 |
| Ocean Park Standoff ft. Lil Yachty | If You Were Mine | — | 120 | Pop | — | 2018 |
| Ocean Parkway | Universal 2 | Club Mix | 127 | — | Henry St. Music/maw Records | 1997 |
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| OceanLab | Lonely Girl | — | 132 | Dance | Ultra | 2009 |
| OceanLab | Miracle | — | 138 | — | Ultra | 2009 |
| OceanLab | Miracle | Above & Beyond Club Radio Edit | 138 | — | Ultra | 2008 |
| Oceana | Body Rock | Dave Aude Vocal Mix | 128 | — | Silver Label/Tommy Boy | 2009 |
| Oceania | Kotahitanga (union) | Rob B's Vocal Remix | 138 | — | Universal Music | 2000 |
| Oceanlab | Satellite | — | 140 | Dance | Ultra | 2004 |
| Oceanlab | Satellite | Original Above & Beyond Mix | 140 | — | Ultra | 2004 |
| Oceanlab | Satellite | Flipside Vocal | 140 | Dance | Ultra | 2004 |
| Oceanlab Feat. Justine Suissa | Clear Blue Water | Ferry Corsten Remix | 138 | — | Captivating Sounds/warner Music (benelux) | 2002 |
| Oceanlab Feat. Justine Suissa | Sky Falls Down | Original Mix | 138 | — | Captivating Sounds/warner Music (holland) | 2002 |
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| Oceans | Deep Blue | PO Quick Edit | 113 | House | PO Quick Edit | 2018 |
| Oceans | Deep Blue | Extended Mix | 113 | Dance | Extended Mix | 2018 |
| Oceans | Deep Blue | PO Intro Edit | 113 | — | PO Intro Edit | 2018 |
| Oceans | Deep Blue | — | 113 | Dance | — | 2018 |
| Oceans Above | Oh Lord, You're Beautiful | Album Version | 63 | — | Sparrow Records | 2007 |