- O.J. Simpson
- Oana Nechiti
- Özcan Cosar
- Oksana Kolenitchenko
- Olaf Schubert
- Olga Kurylenko
- Oliver Hirschbiegel
- Oliver Kahn
- Oliver Kalkofe
- Oliver Pocher
- Olivia Jones
- Olivia Munn
- Olivia Palermo
- Olivia Wilde
- Olivier Sarkozy
- Olli Dittrich
- Olli Schulz
- Olly Murs
- Oprah Winfrey
- Orlando Bloom
- Oscar de la Renta
- Oscar Pistorius
- Otto Sander
- Otto Waalkes
- Owen Wilson
- Ozzy Osbourne