| Off! |
2 |
| Offbeat |
2 |
| Offenbach |
19 |
| Offer Nissim |
52 |
| Offer Nissim Feat Maya |
2 |
| Offer Nissim Feat. Epiphony |
2 |
| Offer Nissim feat. Epiphony |
2 |
| Offer Nissim feat. Maya |
2 |
| Offertorium |
3 |
| Office |
3 |
| Office Of Future Plans |
2 |
| Office Of Strategic Influence (O.S.I.) |
8 |
| Officer Negative |
11 |
| Official Secrets Act |
5 |
| Officina Zoè |
2 |
| Officinalchemike |
3 |
| Officium Triste |
23 |
| Offlaga Disco Pax |
8 |
| Offroad |
4 |
| Offset |
9 |
| Offspring |
61 |
| Offspring (The) |
4 |
| Offspring, The |
10 |
| Oficina G3 |
22 |
| Ofishal |
4 |
| Ofra Haza |
105 |
| Ogie Alcasid |
6 |
| Ogre You Asshole |
2 |
| Ogulate |
2 |
| Oguzhan Koc |
3 |
| Ogün Sanlısoy |
21 |
| Oh Darling |
6 |
| Oh Hellos (The) |
11 |
| Oh Hiroshima |
4 |
| Oh Honey |
13 |
| Oh Land |
53 |
| Oh Laura |
11 |
| Oh Mercy |
14 |
| Oh My! |
5 |
| Oh No |
4 |
| Oh No Fiasco |
2 |
| Oh No Not Stereo |
26 |
| Oh No Oh My |
4 |
| Oh No Ono |
6 |
| Oh No Scenario |
5 |
| Oh No! Oh My! |
6 |
| Oh No! Yoko |
2 |
| Oh Susanna |
9 |
| Oh Sweet Ransom |
2 |
| Oh The Blood |
4 |