O
- Oana David
- Obaid Sarvana
- Oded Fried
- Ofir Press
- Ofir Roval
- Ohad Leshno
- Olatunji Ruwase
- Olcan Sercinoglu
- Oleg Boiko
- Oleg Chernoguz
- Oleg Murk
- Oleh Shliazhko
- Oleksandr Polozov
- Oleksii Duzhyi
- Oliver Rausch
- Oliver Wang
- Oliver Woodman
- Olivia Hart
- Olivier Bachem
- Olivier Dehaene
- Olivier Dousse
- Olivier Duchenne
- Olli Saarikivi
- Omar Ajmeri
- Omar Alhadlaq
- Omar Khattab
- Omar Sanseviero
- Omer Antverg
- Omkar Salpekar
- Omri Abend
- Onur Çelebi
- Opher Lieber
- Or Dagan
- Oran Lang
- Oren Etzioni
- Oren Litvin
- Orgad Keller
- Orhan Firat
- Oriol Vinyals
- Orit Cohavi
- Oscar Akerlund
- Oscar Chang
- Oscar Wahltinez
- Oskar Bunyan
- Owain Evans
- Oyvind Tafjord
- Ozlem Kalinli