- 1 Olly Murs
- 2 Oliver Tree
- 3 OMFG
- 4 Offset
- 5 Ozzy Osbourne
- 6 Odetari
- 7 Omar Akram
- 8 OMER DEEP
- 9 Omi
- 10 Oliver Scheffner
- 11 Ozielzinho
- 12 Olly James
- 13 Obie Trice
- 14 Omarion
- 15 Oscar Peterson
- 16 Orlando Dixon
- 17 Otis Redding
- 18 Oscar Isaac
- 19 Omnia
- 20 Orjan Nilsen
- 21 Osunlade
- 22 Oliver Moldan
- 23 Ominus
- 24 Oliver Nelson
- 25 o'landa draper
- 26 Obba Babatunde
- 27 Ol' Dirty Bastard
- 28 Olav Basoski
- 29 old dirty bastard
- 30 Oli. P