Finn person fra Langhus
- Svein Olsen
- Svein Erik Olsen
- Thron Sperre Olsen
- Tom Andre Olsen
- Vanessa Michelle Erevik Olsen
- Vegard B Olsen
- Yngvar Olsen
- Silje Malene Olsen Hjelmeland
- Thine Olseth
- Elisabeth RIIS Olsrud
- Andreas Olsson
- Kari Olsson
- Kristin Helen Olsson-Portugais
- Erland Olstad
- Roger Atle Olstad
- Qamar Ali Omar
- Abdilahi Abdi Omer
- Cristian-Daniel Ometita
- Dorel Iochim Ometita
- Eniye Aghedo Omini
- Arif Omran
- Anders Tore Jøingsli Omvang
- Anette Omvang
- Kjersti Ones
- Matias Buvarp Ones
- Haakon Onstad
- Chaistopher Onyemeh
- David Isaac Oommen
- Hanne Opdan
- Kjell Opheim
- Sigrun Rut Opheim
- Nina Opland
- Bo Solesvik Oppedal
- Marit Bjerke Oppegård
- Bjørn Arne Tølche Opsahl
- Ellen Berntsen Opsahl
- Espen Opsahl
- Morten Opsahl
- Simen Opsahl
- Sissel Opsata
- Hans Opstveit
- Franklin Opuama
- Wenche Waldenstrøm Orring
- Astrid Ådnegard Orset
- Eivind Orset
- Kjell Bjarne Orset
- Karol Dawid Orzel
- Heidi Oseth
- Johnny Oskarsen
- Sara Oskarsen
- Lars Robert Oslo Pumpeservice
- Enea Osmani
- Tazegul Osmankhel
- Bente Beate Osmundnes
- Bernt Arild Osmundnes
- Else Maria Osnasy
- Bente Osrønningen
- Emilie Osrønningen
- Martin Ostad
- Harald Kjetil Osvik
- Anna Osypchuck
- Oleksandr Osypchuk
- Oleksandr Osypchuk
- Hanne Otterstad
- Jonas Otterstad
- Tore Sten Ottesen
- Vigdis Gabrielle Oulie
- Noureddine Ben Mohasen Ouni
- Øyvind Overskeid
- Kjetil Gillebo Overaae
- Rune Overaae
- Sebastian Pawel Owczarek
- Owe Arnt L Stangeland
- Ronald Denis Owino
- Arik Ozer
- Gokhan Ozturk
- Berit Kirsti Pagander
- Dag Eivind Pagander
- Ebenezer Offei Paintsil
- Kofi Paintsil
- Selawose Alberta Paintsil
- Jan-Øyvind Gautvedt Pallum
- Aimilio Panto
- Anastasios Papadopoulos
- Ida Parelius
- Memetemin Parhat
- Tahereh Parkhani
- Fereidoon Parsa
- Jerzy Partyka
- Razia Parvaiz
- Timo Andreas Parviainen
- Jonathan Parvin
- Jonathan Eide Parvin
- Azita Pasandideh
- Cristian-Radu Patrana
- Sudershan Paul
- Dusanka Paulic
- Zdravko Paulic
- Arne Vidar Paulsen