- 1 Olivia Belli
- 2 Omara Portuondo
- 3 Ona
- 4 Olivera
- 5 Oceanside
- 6 Otis McDonald
- 7 Olivia Grace
- 8 Olivia Rodrigo
- 9 oneil
- 10 One-T
- 11 Odessa
- 12 OR3O
- 13 Olivia Garcia
- 14 Olivia Lane
- 15 Olivia Herdt
- 16 Oana Radu
- 17 Olga Lounova
- 18 Otilia
- 19 Olivia Dean
- 20 Ofrin
- 21 OSTON
- 22 Ofelia K
- 23 Oxana
- 24 Odetta
- 25 Orkid
- 26 Ornella Vanoni
- 27 Ofelia
- 28 Olivia Addams
- 29 Orianthi
- 30 Ony