Voornaam met O
- Otto
- Olaf
- Olivier
- Olivia
- Oscar
- Oliver
- Omar
- Olga
- Owen
- Onno
- Otis
- olly
- Oskar
- Oona
- Omer
- Advertisement
- Okke
- Orlando
- Osman
- Otte
- Olie
- Onur
- Okan
- Oswald
- opa
- Ophelia
- Odette
The words in the list Voornaam met O come from players of the word game City, Country, River.