Finn person fra Kongsvinger
- Erik Sander Olsson
- Fredrik Olsson
- Henrik Olsson
- Henrik Erik Olsson
- Kjersti Elisabeth Olsson
- Mats Arne Olsson
- Ronny Olsson
- Ronny Olsson
- Tove Rigmor Olsson
- Una Olava Olsson
- Walter Arnfinn Olsson
- Aud Ingrid Olstad
- Brit Olstad
- Else Olstad
- Marte Holmen Olstad
- Ahmed Omar
- Motaz Moaiad Omar
- Nali Hakim Omar
- Ola Sulaiman Saed Omar
- Grethe Sølvi Omberg
- Ingerlin Omberg
- Akbar Muhyadin Omer
- Aryan Omer
- Moaiad Saker Omer
- Sonay Salman Omer
- Temer Haji Omer
- Denir Omerovic
- Dino Omerovic
- Edita Omerovic
- Elma Omerovic
- Galiba Omerovic
- Galiba Omerovic
- Resid Omerovic
- George Onasaka
- Mark Lawrence Onoya
- Hilde Onsrud
- Jeanette Onsrud
- Roy Magnus Onsrud
- Trym Stian Onstad
- Catrine Onsum
- Mary Margreta Opberget
- Arild Opheim
- Berit Opheim
- Kristin Opheim
- Tony Opheim
- Jørgen Mørkved Opjordsmoen
- Heidi Oppegård
- Randi Oppegård
- Erna Opsahl
- Anne Kristin Torp Opseth
- Gina Helene Torp Opseth
- Sten Morten Opseth
- Linda Therese Opås
- Kari Opåsen
- Melissa Opåsen
- Mia Anine Opåsen
- Tom Opåsen
- Hans Nielsen Hauge Ording
- Ingrid Hilde Brenna Ording
- Gunnar Orenæs
- Yoko Orenæs
- Monica Schlanbusch Orheim
- Anastasiia Osadchuk
- Hege Oseberg
- Rebin Osman
- Jan Henrik Otertjernet
- Majid Mohammad Othman
- Matin Othman
- Finn Arild Otten
- Bjørnar Ottesen
- Bjørn Erik Ottesen
- Dag Magne Ottesen
- Kjell Oddbjørn Ottesen
- Kristin Ottesen
- Rikke Jensen Ottesen
- Rolf Gunnar Ottesen
- Trine Jensen Ottesen
- Veslemøy Sigyn Øverby Ottesen
- Julianne Ougendal Zijdemans
- Yasmina Ouriaghli
- Dan Roger Ovebratt
- Lidia Irena Overåsberget
- Robin Overåsberget
- Bente Ovlien
- Lars Reidar Ovlien
- Reidun Ingrid Ovlien
- Olav Ovrum
- Chanwalai Paenthong
- Bent-Johan Pakarinen
- Raymond Pakarinen
- Loghman Palani
- Eirik Alexander Pallesen
- Endre Pallesen
- Thea Johanne Pallesen
- Denys Panasiuk
- Svitlana Panasiuk
- Valentina-Alexandra Pascu
- Kateryna Pashuta
- Alexander Patrushev