Finn person fra Mortensrud
- Jorun Nårstad
- Svein Erik Nårstad
- Per-Erik Naavik
- Isa Oba
- Tomasz Miroslaw Oberda
- Maid Obucina
- Khalid Abdullahi O Oday
- Runa Solbjørg Bang Odden
- Ellen Margrete Odland
- Trygve Ofstad
- Trine Oftenes
- Helen Ogbay
- Burhanettin Ograk
- Diyar Ograk
- Esmanur Ograk
- Hulya Ograk
- Meliha Ograk
- Orhan Ograk
- Senanur Ograk
- Jan Oksnes
- Signe Olafsen
- Stein Morten Olafson
- Arild Olaussen
- Tom Olaussen
- Tom Olaussen
- Eva Olavesen
- Bilal Olfat Butt
- Ken Andre Olimb
- Helena Oliveira
- Anne Karin Westby Olsen
- Ann-Karin Skaug Olsen
- Berit Olsen
- Bernt-Erik Olsen
- Else Linda Olsen
- Henning Olsen
- Jon Anders Olsen
- Karl Johan Olsen
- Kenneth Olsen
- Kenn Ivan Kristian Olsen
- Kjell Olsen
- Lene Therese Løff Olsen
- Maja Emilie Veflen Olsen
- Aase Mette Olsen
- Asgeir Røyrhus Olseth
- David Thompson Olusow
- Hamid Omar
- Nariman Omar
- Ramadan Omar
- Sairan Aziz Omar
- Fahim Omed
- Ayan Mohamed Omer
- Haliz Omer
- Malin Ommundsen
- Nils Reidar Ones
- Nils Christian Ones
- Sander Ones
- Heidi Anita Opsahl
- Reidun Opseth
- Gerd May Ordal
- Ann-Monique Myklevoll Orveland
- Ida-Lusia Myklevoll Orveland
- Thomas Orveland
- Osahon Osarumwense
- Monika Osazuwa
- Abdillahi Ahmed Osman
- Amina Ahmed Osman
- Deka Dubow Osman
- Fahad Osman
- Rhama Osman
- Mercy Achieng Otieno
- Lisbeth Otterlei
- Vidar Ottersen
- Elin Otterstad
- Leon Alexander Winther Ottosson
- Abdul Baki Ovat
- Bilgi Kurnaz Ovat
- Emin Mehmet Ovat
- Huruye Ovat
- Isabel Ovat
- Ane Selma Ovedal
- Karim Tariq Owda
- Boahen Owosu
- Emrah Ozcanli
- Abu-Bakar Ozniev
- Abu-Bakar Muslimovich Ozniev
- Asmat Palani
- Saipin Panbua
- Neha Pande
- Kunasingam Paramakurunatham
- Kunasingam Paramakurunathan
- Fredy Paredes
- Omkar Pariyar
- Shashikala Pariyar
- Shristi Pariyar
- Jaemin Park
- Mariam Parkinson
- Abhinav Singh Parmar
- Cecilia Palmira Parra Guedes
- Sidrah Parvaiz