| 626 | | Olivia Ong | Jazz |
| 627 | | Olivia Project | |
| 628 | | Olivia Ruiz | |
| 629 | | Olivia Somerlyn | Pop |
| 630 | | Olivia The Band | Pop punk/Rock |
| 631 | | Olivia Tremor Control | |
| 632 | | Olivier Cheuwa | |
| 633 | | Olivier Deriviere | Ambient |
| 634 | | Olivier Juprelle | |
| 635 | | Olivier Miller | |
| 636 | | Olivier Novembre | |
| 637 | | Olja Karleusa | |
| 638 | | Olja Karleuša ft. MC Yankoo | |
| 639 | | Ollabelle | Blues/Folk |
| 640 | | Ollano | |
| 641 | | Olle Adolphson | |
| 642 | | Olle Hedberg | |
| 643 | | Olle Ljungstr?m | |
| 644 | | Olle Ljungstrm | |
| 645 | | Olle Ljungström | Pop |
| 646 | | Olli P. | |
| 647 | | Olli Schulz Und Der Hund Marie | Indie |
| 648 | | Olli Vincent | |
| 649 | | Ollie & Jerry | Hip-Hop |
| 650 | | Ollie & The Nightingales | Soul |
70s/80s/Country/Pop
Electronic/Hardcore
Rock
Emo/Hardcore