Obed- Ocean
- Octavius
- October
- Oddo
- Odoacer
- Odoacre
- Odovacar
- Odysseus
- Oedipus
- Oidipous
- Olindo
- Oliviero
- Olympian
- Olympiodoros
- Omar
- Omiros
- Onder
- Onesimos
- Onesimus
- Onesiphoros
- Onesiphorus
- Onnophris
- Onofrio
- Onouphrios
- Onufry
- Onuphrius
- Ophiuchus
- Orazio
- Orest
- Oreste
- Orestes
- Orestis
- Orfeas
- Orfeo
- Orhan
- Orion
- Orlando
- Orpheus
- Orsino
- Orso
- Oscar
- Osiris
- Osvaldo
- Otes
- Othello
- Othmar
- Otis
Filters
Usage
- English
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- Portuguese
- Greek
Genger
- Any
- Unisex
- Girl
- Boy
The first letter
- Any
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