Finn person fra Lambertseter
- Thor Ole Ommundsen
- Jan Ongtveit
- Even Eide Onstad
- Line Kristine Opedal
- Tina Opedal
- Per Ove Opgård
- Fredrik Opheim Nes
- Lars Espen Fulke Oppedal
- Kaia Oppi
- Eirin Opsata
- Knut Opshaug
- Avd. leder Orange
- Joakim Orfjell
- Oddrun Orfjell
- Anastasia Denisovna Orishchenko
- Denis Orishchenko
- Igor Orlov
- Igor Orlov
- Trine Ormseth
- Erik Mats Ingvar Ornered
- Lill Karin Orvei
- Hanne-Lise Strand Oskarsson
- Bydel Nordstrand Oslo kommune
- Asha Hussein Osman
- Ibrahim Ismail Osman
- Mohamed Abdi Osman
- Mona Osman-Tomren
- John Erik Osnes
- Nina Kristine Osuldsen
- Lars Oddvar Osuldsen-Nygaard
- Arthur Emrik Oswald
- Aurora Christiane Oswald
- Hege Eriksen Oswald
- Jørgen Oswald
- Knut Hermann Otterbech
- August Huse Otterdal
- Ann Kristin Otterlei
- Amalie Ottesen
- Einar Ottesen
- Michael Ottesen
- Navid Nait Ouchen
- Kjell Øivind Oulie
- Hilde Victoria Jahr Ovenberg
- Tone Ovenberg
- Per-Kristian Overvik
- Georgina Owusu
- Georgina Owusu
- Jytte Oxlund
- Olena Ozerova
- Henry Cristian Pacheco Hidalgo
- Remi Michele Schrøder Padoin
- Melina Painesi
- Anastasios Painesis
- Vasilica-Petru Paiu
- Egzon Pajaziti
- Claudio Paliotta
- Ingrid Gautvedt Pallum
- Dan Adam Runningshaugen Palomeras
- Inger Paltiel
- Yngve Palving
- Shan Mei Pang
- Mik Panotes
- Laura Alejandra Cortes Parra
- Abraham Fernandez Pascual
- Morten Passerud
- Damian Wojciech Pasternak
- Laura Elizabeth Bruce Paton
- Scott Augustus Patterson
- Malene Ulvund Paulsberg
- Anna Aurora Paulsen
- Edel Caroline Paulsen
- Hege Paulsen
- Jeanett Mari Triki Paulsen
- Kai Tom Paulsen
- Mariann Paulsen
- Rune Paulsen
- Solveig Paulsen
- Egil Paulsmoen
- Gro Paulsmoen
- Sina Paulsrud Johannessen
- Aleksander Nundal Paus
- Liv Margaret Nundal Paus
- Dovile Pausaite-Meldaike
- Jovana Pavic
- Vesna Pavlovic
- Jonatan Nordang Paz
- Arve Sverre Pedersen
- Camilla Pedersen
- Christian Pedersen
- Eilif Pedersen
- Else Marie Pedersen
- Erna Ellersgaard Pedersen
- Espen Pedersen
- Frode Pedersen
- Grethe Berg Pedersen
- Gunnar Pedersen
- Jon Pedersen
- Karin Pedersen