- Orsen
- Orshal
- Orsi
- Orsina
- Orsini
- Orsino
- Orso
- Orsola
- Orsolina
- Orsolino
- Orsolya
- Orson
- Orta
- Orta-donjuan
- Ortaliz
- Ortansa
- Ortanta
- Ortanza
- Ortega
- Ortega-cazun
- Ortega-class
- Ortega-fernandez
- Ortega-lima
- Ortega-rivera
- Ortelinda
- Orten
- Ortencia
- Ortensia
- Ortensio
- Ortenzia
- Ortfried
- Ortgies
- Orth
- Ortha
- Orthman
- Ortilio
- Ortis
- Ortiz
- Ortiz-arroyo
- Ortiz-colon
Names that begin with O
Below are names that begin with O from all around the world.