Finn person fra Skøyen
- Ole Jørgen Opsahl
- Lars Erik Opøien
- Brit Dagny Ording
- Patrik Oreman
- Roald Orheim
- Sigmund Orholm
- Petter Ormsettrø
- Iryna Orobinska
- Kjell Orrem
- Ove Orrestad
- Lizbeth Karina Campos Ortega
- Zlatko Orucevic
- Mary Orø
- Lars Morten Os
- Anna Osa
- Viktoria Osborg
- Svein Erik Oseid
- Inga Kristine Smith-Kielland Oshaug
- Johan Oskarsson
- Andreas Osland
- Andreas Vik Osland
- Regionslager Oslo
- Mogahid Osman
- Tor Agnar Osmundsen
- Knut Olav Osnes
- Anne Ossawy
- Robert Osvaldsen
- Trine Meland Otback
- Christoffer Oterholt
- Sondre Otterbu
- Hans Olav Otterlei
- Sigrid Amundsen Otterlei
- Vilma Otterlei
- Phennapa Sae-Tang Ottersen
- Vigdis Skinnemoen Ottersen
- Emilie Sophie Stang Ottesen
- Henrik Ottesen
- Kathrine Stang Ottesen
- Mette Ottesen
- Therese Dagsvik Ottesen
- Thurid Ellen Ottesen
- Tom Hugo Ottesen
- Kristin Ottestad-Tømte
- Lillen Grethe Otto
- Sebastian Ottosen
- Ali Jean Cyriac Ouattara
- Mikkel Oustad
- Thomas Oustad
- John Oddvar Overvad
- Even Overvik
- Rune Overvåg
- Ingrid Widerøe Overwien
- Elin Helene Krog Overå
- Elin Therese Overå
- Hans Børge Ovesen
- Kari Anne Ovesen
- Marianne Ovnerud
- Christoffer Owe
- Anders Owren
- Signe Lise Owren
- Anette Oxholm
- Kaan Ozogren
- Dawid Pabich
- Juan Pablo Verano
- Miguel Eduardo Cervantes Pacheco
- Brian Leonard Paddick
- Fabio Giuseppe Palermo
- Ram Narsimha Reddy Palle
- Aslak Johannes Palmstrøm-Augestad
- Aravinth Palpandian
- Marcio Heitor Filho Paludo
- Meng Pan
- Tetiana Panchenko
- Daham Sanjaya Gunawardana Panditha Vidana
- Sukhdip Singh Panesar
- Olha Pankiv
- Nikolaos Papanastasiou
- Christos Papanikolaou
- Mieczyslaw Papiez
- Beroz Papito
- Sergey Paramonov
- Nirmala Pariyar
- Shyam Pariyar
- Shyam Pariyar
- Rune Braa Rosenborg Park
- Katrine Bjørge Parker
- Robert Jeffrey Parks
- Peder Parnas
- Gry Victoria Parsons
- Sunil Pathak
- Gayan Pathirana
- Tanmay Patil
- Ellen Monclair Patterson
- Richard Patterson
- Charuta Patwardhan
- Sebastian Patzke
- Nerijus Paulauskas
- Anne Berit Paulik
- Tobias Paull