Finn person fra Askim
- Odd Erling Olsen
- Ole Christian Fjell Olsen
- Peter Olsen
- Ragnhild Olsen
- Randi Oline Lindstad Olsen
- Ratchanee Olsen
- Renate Olsen
- Renate Andrea Olsen
- Ricky John Olsen
- Rolf Arne Olsen
- Ronny Olsen
- Rudi Olsen
- Rune Olsen
- Ruth Olsen
- Sawai Olsen
- Siri Anett Olsen
- Sonja Marie Olsen
- Stian Olsen
- Svein Olsen
- Teddy Olsen
- Terje Lund Olsen
- Therese Olsen
- Thomas Olsen
- Thomas Storsveen Olsen
- Tonje-Elizabeth Ulmi Olsen
- Toril Olsen
- Tor Raymond Olsen
- Torstein Olsen
- Truls Øivind Olsen
- Turid Olsen
- Turid Olsen
- Turid Helene Olsen
- Vigdis Kello Olsen
- Wenche Lund Olsen
- Wenche Olsen
- Wongduen Olsen
- Yngve Olsen
- Øivind Engelhardt Olsen
- Øivind Olsen
- Morten Olsen Einvik
- Jeanette Olsen Rustad
- Anne Elisabeth Olsson
- Jan Morritz Olsson
- Lars Ingar Olsson
- Lena Diana Olsson
- Maria Sofie Olsson
- Nina-Anett Strengen Olsson
- Terje Olav Olsson
- Vilrun Olufsen
- Tobias Olufsen Børud
- Marija Oluic
- Amela Omanovic
- Jasmin Omanovic
- Senada Omanovic
- Ali Mohammed Said Omar
- Bashir Abdurrahman Omar
- Hussein Said Omar
- Maha Said Omar
- Mohammed Seddik Saoud Omar
- Nafih Saoud Omar
- Said Yousef Omar
- Salim Hassan Omar
- Suhail Hasan Omar
- Eirik Omarhaug
- Mahmoud Awad Omran
- Bernt Omtvedt
- Ingeborg Omtvedt
- Mette Louise Omtvedt
- Tove Andrea Omvik Aune
- Ida Oneco Nettworks
- Eirin Elisabeth Ongtveit Haanes
- Robert Onsaker
- Anton Onstad
- Grethe Marie Onstad
- Hanne Mari Onstad
- Marion Onstad
- Inger Johanne Onstad Lunde
- Simen Oppegård
- Nathaniel Draconius Oppegaard
- Per Harald Oppegaard
- Kari Anne Opsahl
- Kjetil Opsahl
- Ragnhild Opsahl
- Rune Opsahl
- Sander Pettersen Opsahl
- Tonje Karin Opsahl
- Camilla Opøien
- Bjørn Tore Opås
- Rita Procajlo Opås
- Ing-Mari Oraug
- Julie Beate Oraug
- Ole Andreas Oraug
- Tone Oraug
- Richard Oraug Leistad
- Erik Orderud
- Sonja Elisabeth Orderud
- Svein Arne Ormerud
- Arne Ormerud-Hanssen
- Ragnhild Venke Orskaug