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