Finn person fra Narvik
- Oddrun Olsen
- Olaf Paul Olsen
- Ole Einar Nymo Olsen
- Ole-Einar Græsmo Olsen
- Ole Magnus Olsen
- Ole Tobias Olsen
- Otto Per Daniel Olsen
- Per-Helge Olsen
- Pål Asbjørn Olsen
- Ragnar Olsen
- Ragnhild Margrete Olsen
- Randi Millerjord Olsen
- Randi Gerharda Olsen
- Renée Mariann Olsen
- Roger Olsen
- Rolf Olsen
- Ronny Arne Olsen
- Roy Espen Olsen
- Roy Helge Olsen
- Rune Mentzoni Olsen
- Sander Rondestvedt Olsen
- Sigfred Olsen
- Silje Olsen
- Silje-Karina Kristiansen Olsen
- Silje Mari Olsen
- Sissel Olsen
- Siw Olsen
- Solveig Helene Olsen
- Sondre Dårflot Olsen
- Steinar Olsen
- Stein Kyrre Olsen
- Steivor Alise Fossli Olsen
- Stig Olsen
- Ståle Olsen
- Svein Ivar Olsen
- Svein Kristian Olsen
- Svein Olav Olsen
- Sverre Johan Olsen
- Sylvi Elisabeth Olsen
- Sylvi Karin Olsen
- Therese Nymo Olsen
- Tina Olsen
- Tom Olsen
- Tone Helen Olsen
- Tonje Olsen
- Torbjørn Reidar Olsen
- Tore Magne Olsen
- Torild Olsen
- Tor-Jonny Olsen
- Tove Lisbeth Olsen
- Trude Dybwad Olsen
- Turid Olsen
- Turid Thelma Olsen
- Vanja Strøm Olsen
- Vera Olsen
- Viggo Olsen
- Wenche Berit Olsen
- Wenche Linnea Olsen
- Øyvind Slåttrem Olsen
- Adrian Olsen Amundsen
- Monika Olsen Amundsen
- Torgeir Olsen Amundsen
- Sigfrida-Tiffany Cathrine Olsen-Tait
- Kristine Olsen Øgnes
- Heidi Anita Olsson
- Lisbeth Kufaas Olsson
- Margrethe Olsson
- Sofia Anna Marie Olsson
- Vigdis Ellen Olsson
- Richard Olsvik
- Adam Olszewski
- Said Ali Omar
- Sudjai On-In
- Sajeerad Onsoi
- Anna Margrete Opdal
- Charlotte Karlsen Opdal
- Dag Ivar Opdal
- Heidi Opdal
- Mariell Andrea Opdal
- Robin Daniel Opdal
- Vuokko Opdal
- Irene Marie Opheim
- Jan Erik Ophus
- Oscar Liao Oppenheim Falkensjö
- Berit Christin Olsen Opshaug
- Ellen Opshaug
- Inger Irene Opshaug
- Ingrid Lehne Opshaug
- Jens Petter Opshaug
- Marius Opshaug
- Meike Sabrina Opshaug
- Morten Opshaug
- Per Andreas Opshaug
- Aurora Irene Ore
- Danylo Orlov
- Suree Orsteen
- Ana Maria Sanchez Ortiz
- Kristian Rainbow Orø