Finn person fra Mjøndalen
- Stein Arild Olufsen
- Choman Omar
- Ikram Mohamed Omar
- Svein Omholdt
- Marna Rebecca Omre
- Yasar Ongun
- Jenny Onshuus Olsen
- Berit Opdahl
- Geir Opdahl
- Inger Marie Ringstad Opdahl
- Jon Opdahl
- Frode Opdal
- Magnus Rojahn Opdal
- Even Nicolai Opsahl
- Merethe Opsahl
- Ole Harald Opsahl
- Tone Lise Vahlmann Opsahl
- Camilla Kolstad Opseth
- Jørn Kolstad Opseth
- Veronica Paulsen Opåsen
- Tommy Orekaasa
- Delia de Las Nieves Bustos Orellana
- Anita Bæver Ormåsen
- Steffen Ormåsen
- Brynjar Orsteen
- Nina Kristin Orsteen
- Finn Børge Orsten
- Kjell Rune Orsten
- Torill Thorsen Orsten
- Jan Thore Oseth
- Julianne Oseth
- Marianne Oseth
- Dahir Hussein Osoble
- Eilén Juritsen Otervik
- Lina Ahmad Othman
- Louai Othmann
- Regine Karin Otterness
- Truls Otterness-Haugseth
- Elin Johanne Ottersen
- Gunn-May Ottesen
- Clarry Oulie
- Helene Oulie
- Oskar Oulie
- Pia Oulie
- Vegard Oulie
- Anita Einardotter Ovenstad
- Toril Ovenstad
- Sindre Hansen Overskeid
- Heikki Pajari
- Audrone Pakaliene
- Shamin Khan Paktiawal
- Hilde Ingebjørg Palm
- Inger Ragni Palm
- Yucel Paltaci
- Donna Yangen Pan
- Hilde Linn Byrmo Parkin
- Scott Leonard Parkin
- Maryam Parviz
- Mahdi Shah Pasand
- Shir Ali Shah Pasand
- Robert Lukasz Pasternak
- Adrian Rafal Pastuszka
- Javier Patino
- Arve Paulsen
- Astrid Rosseland Paulsen
- Elisabet Paulsen
- Erla Paulsen
- Gro Malene Ilstad Paulsen
- Helena Brenden Paulsen
- Kari Paulsen
- Liv Ilstad Paulsen
- Madelene Brenden Paulsen
- Mette Paulsen
- Ronald Paulsen
- Ron Andre Holtan Paulsen
- Ronny Paulsen
- Roy Paulsen
- Roy Paulsen
- Vidar Paulsen
- Agnar Paulsen Opåsen
- Przemyslaw Pawlak
- Tomasz Pecek
- Anne-Marie Pedersen
- Berit-Anette Pedersen
- Børre Lau Pedersen
- Christer Endrè Pedersen
- Connie Rita Sætre Pedersen
- Dyesebel Ramos Pedersen
- Erik Pedersen
- Frank Ove Pedersen
- Frank Runar Pedersen
- Hilde Beate Pedersen
- Inger Pedersen
- Jan Olaf Pedersen
- John Reidar Pedersen
- Jon Pedersen
- Kari Pedersen
- Kathe Pedersen
- Ketil Ove Halvard Pedersen