Finn person fra Ekeberg
- Oaf Olstad
- Sophie Olsvold Greve
- Adrian Mihai Oltean
- Ioan-Dumitru Oltean
- Loveth Omokaro
- Elias Omrani
- Anneli Ona
- Aslak Ona
- Else Ona
- Robin Onarheim
- Mykhailo Onishchenko
- Dariusz Opasisnki
- Dag Arne Ophus
- Eirik Ophus
- Håkon Ophus
- Lisbet Dokka Ophus
- Erik Oppegård
- Marit Opsahl
- Susanne Amalie Opsvik
- Solbjørg Irene Hovden Opøien
- Somto Tobenna Orazulume
- Erling Ivar Orkelbog
- Kim Andre Orkelbog
- Mathilde Orlich
- Geir Erling Ornum
- Milagros Roxana Orrillo Perez
- Diana Orucevic
- Sissel Henrichsen Orven
- Gamal Osman
- Safiya Hassan Osman
- Diellza Osmani
- Khaliy Osmay
- Berit Osnes
- Lars Erik Osvold Kvernvolden
- Charlotte Ottemeier
- Akiah Astral Ottesen
- Are Eggesbø Ottesen
- Thea Vestbø Ottesen
- Ragnhild Johanne Ouren
- Per Morten Ovesen
- Ovidijus Zalinkevicius
- Elma Kristina Bergfjord Oxley
- Emmet Carl Bergfjord Oxley
- Panida Paethanom
- Guido Nicolas Pagano
- Astrid Pagliarani
- Mihir Suresh Paliwal
- Cameron Lowell Palmer
- Isaiah John Vinuya Palo
- Nikolaos Panagiotopoulou
- Pavel Pantelei
- Sofia Papas
- Sjur Cappelen Papazian
- Chetan Parkash
- Svein Parnas
- Zoya Ahmed Parveen
- Eduard Pasat
- Hanna Pasko
- Rohini Sandeep Patil
- Sandeep Prakash Patil
- Joakim Patriksson
- Bendik Hagemann Paulsen
- Bård Inge Paulsen
- Cecilie Paulsen
- Ida Paulsen
- Julian William Paulsen
- Kim Stefan Alexander Paulsen
- Linda Paulsen
- Päivi Pauliina Paulsen
- Regine Paulsen
- Thomas Eliassen Paulsen
- Tone Helen Paulsen
- Torill Paulsen
- Vegard Opedal Paulsrud
- Elisabeth Lian Paus
- Viktor Ventsislav Pavlov
- Filip Marcin Pawlik
- Adam Pearce
- Alessandro Pecorella
- Astrid Pedersen
- Bjørn Pedersen
- Bjørn Kristian Pedersen
- Britt Mari Holmlund Pedersen
- Camilla Harfeld Pedersen
- Carsten Pedersen
- Eivor Pedersen
- Elisabeth Pedersen
- Erik Pedersen
- Espen Pedersen
- Frida Pedersen
- Frode Pedersen
- Henrik Underhaug Pedersen
- Hilde Viig Pedersen
- Inge Margrethe Kaaya Pedersen
- Jan Pedersen
- Jarle Levi Pedersen
- Jens Even Højlund Pedersen
- Kate-Mari Pedersen
- Kristin Pedersen