Finn person fra Alnabru
- Lars Emil Olsson
- Robin Olsson
- Ragnhild Kvåle Olstad
- Hilde Olufsen
- Mahammed Hussein Omar
- Linda Wolfberg Ommedal
- Aung Ko Oo
- Marek Opas
- Monika Therese Opdahl
- Steinar Olav Opheim
- Svein Opsahl
- Mette Orderud
- Robin Orderud
- Ignacio Esteban Gomez Orellana
- Camilla Maria Ormset
- Tove Jung Orre
- Servicebyrå OsloAS
- Bread N Butter Oslo As
- Alex Osondu
- Kirsti Osrønningen
- Inna Osyka
- Taras Osyka
- Runhild Otneim
- Dag Ottersen
- Anne Ottesen
- Truls Ottesen
- Martin Ottestad
- Saloua Ouchan
- Tahar Ouhrouche
- Ola Overskaug
- Peder Owesen
- Gintas Pacesas
- Anders Palmberg
- Varatharajan Pararajasegarasingam
- Sebastian Parelius
- Asia Parveen
- Shahnaz Parveen
- Pete Richard Matibag Pasco
- Anne-Cathrine Paulsen
- Glenn Paulsen
- Håvard Paulsen
- Juno Andrea Amundsen Paulsen
- Stian Paulsen
- Torill Paulsen
- Per Paulsson
- Tomislav Pavlisa
- Jelena Pavlovic
- Luka Pavlovic
- Ivan Pavlushin
- Nesrin Payasli
- Nizamettin Payasli
- Nurcan Payasli
- Finn Pedersen
- Flemming Møller Pedersen
- Johanne Marie Strandli Pedersen
- Kim-Roger Pedersen
- Marius Pedersen
- Merete Pedersen
- Pål Roger Pedersen
- Rich Pedersen
- Robin Pedersen
- Sindre Pedersen
- Steffen Pedersen
- Stig Terje Pedersen
- Trude Helene Pedersen
- Vegard Fiane Pedersen
- Wilfred Bertin Olai Pedersen
- Øyvind Pedersen
- Øyvind Ersland Pedersen
- Roger Mill de la Pena
- Fernando Manuel Goncalves Da Silva Pereira
- Sebastian Roman Perez
- Andreja Peric
- Christian Lorenz Pers
- Eirik Skorgen - Pers
- Fabian Jacobsen - Pers
- Janne Rud Hansen - Pers
- Joakim Broberg - Pers
- Klas-Göran Persson
- Mainza Peter
- Kathrine-Therese Ferner Petersen
- Lars Marcus Johan Petersson
- Lukas Petrauskas
- Mantas Petrauskas
- Diana Petrenko
- Milos Petrovic
- Bjørn Pettersen
- Karin Pettersen
- Lise Rydberg Pettersen
- Sigrid Pettersen
- Toril Pettersen
- Phu Cong Pham
- Tanh Thi Pham
- John Love Phan
- Anchalee Phetkaew
- Julian-Nub Piejke
- Kamil Robert Pihan
- Alejandro Zuleta Pino
- Vittorio Piro