Jahne Oldebråten till Jørn Olesen
- Jahne Oldebråten - Stian Oldebråten
- Susila Santokhie Oldebråten - Astrid Charlotte Stokseth Oldeide
- Bjarne Oldeide - Fredrik Oldeide
- Geir Oldeide - Jarle Oldeide
- Jon Harald Oldeide - Mariafe Oldeide
- Mariape Oldeide - Randi Oldeide
- Randi Oldeide - Ståle Oldeide
- Ståle Oldeide - Elin Oldemark
- Erik Oldemark - Anne Kathrine Olden
- Anne Sofie Olden - Berit Synnøve Olden
- Berit Tapio Olden - Christer Olden
- Christopher Grønlund Olden - Erling Godtfred Olden
- Espen Olden - Guri Jorid Olden
- Hallgeir Olden - Ingjerd Olden
- Ingrid Olden - Jens Petter Olden
- Jens S Olden - Kjell Olden
- Kjell Arvid Olden - Lorentz Olden
- Ludvig Olden - May-Grethe Ingesdatter Olden
- Mette Irene Olden - Otto Normann Olden
- Ove Johan Olden - Roar Olden
- Robin Bakken Olden - Svein Olav Olden
- Sven Jostein Dammann Olden - Trygve Olden
- Turid Hammersborg Olden - Ann Kristin Oldenborg
- Annette Dorthea Skjold Oldenborg - Karin Unn Oldendorf
- Linn Oldenmark - Geir Alexander Olderbakk
- Gunnar Olderbakk - Ragnhild Olderbakk
- Roald Olderbakk - Roger Olderdal
- Silje Olderdal - Arild Oldereide
- Arve Oldereide - Kjetil Oldereide
- Laila Ingeborg Oldereide - Svanhild A Oldereide
- Tina-Magrit Dagestad Oldereide - Turi Egner Olderheim
- Vegard Olderheim - Daniel Stensrud Olderkjær
- Eli Martha Blokhus Olderkjær - Kari Anne Olderkjær
- Kjell Olderkjær - Marita Olderkjær
- Morten Olderkjær - Sverre Olderkjær
- Synnøve Olderkjær - Lill Eirin Olderli
- Maya Katrin Olderli - Gunn Tove Olderløkken
- Odd Olderløkken - Eirin Oldernes
- Eirin Oldernes - Joar Oldernes
- Johan Otto Oldernes - Per Eivind Oldernes
- Ragna Oldernes - Trine Oldernes
- Zaritha Agnethe Oldernes - Geir Olderskog
- Gerd Janne Olderskog - Malin Dyveke Bekkeli Olderskog
- Marit Olderskog - Tony Andre Olderskog
- Trine Olderskog - Gro Røsten Oldertrøen
- Guri Oldertrøen - Olaug Margrethe Oldertrøen
- Ole Jonny Oldertrøen - Ann-Elin Oldervik
- Anne Oldervik - Egil Oldervik
- Eli Synnøve Oldervik - Gudmund Reidulf Oldervik
- Gunn Linda Fillan Oldervik - Jan Atle Oldervik
- Jan Ivar Oldervik - Kjersti Oldervik
- Knut Anders Oldervik - Marit Oldervik
- Marit Oldervik - Olav Oldervik
- Olav Oldervik - Sandra Mathea Oldervik
- Sigrun Oldervik - Tobias Melbøe Oldervik
- Tone Oldervik - Åse Anette Oldervik
- Adrian Oldervoll - Ellen-Margrethe Oldervoll
- Frank Oldervoll - Line Merethe Oldervoll
- Magne Oldervoll - Sidsel Oldervoll
- Sondre Oldervoll - Christian Valseth Olderø
- Ingar Egil Olderø - Anniken Olderøien
- Edel Johanne Olderøien - Laila Eidshaug Olderøien
- Linn Olderøien Olderøien - Eirik Erling Olderøy
- Eva Margrethe Olderøy - Mariann Værholm Olderøy
- Martine Olderøy - Elisabeth Oldgard
- Mai Merli Lawson Oldgard - Ole-Kristian Oldre
- Per Steinar Oldre - Heidi Oldren
- Ingrid Oldren - Ole Oldren
- Per Morten Oldren - Hege-Marie Oldrup
- Linda Oldrup Jensen - Hella Ole
- Thomassen Vars Ole Henrik - Any Norma Eugenia Escobar Olea
- Carla Olea - Anna Olebakken
- Bente Olebakken - Agnieszka Olech
- Barbara Olech - Marcin Waldemar Olechnowicz
- Michal Mieczyslaw Olechnowicz - Adam Piotr Oledzki
- Therese Olefors - Jakubovskis Olegs
- Jakubovskis Olegs - Hege Oleivsgard
- Hildegunn Oleivsgard - Sigvat E Oleivsgard
- Steinar Oleivsgard - Wioletta Bozena Olejarczyk
- Boguslaw Robert Olejarz - Aneta Anna Olejniczak
- Aneta Anna Olejniczak - Marek Wladyslaw Olejniczak
- Mariusz Olejniczak - Barbara Danuta Olejnik
- Dorota Barbara Olejnik - Rafal Olejnik
- Rafal Olejnik - Jagoda Patrycja Olek
- Stanislaw Olek - Shulga Oleksi
- Tomas Oleksi - Adam Oleksy
- Adrian Oleksy - Michal Adam Oleksy
- Miroslaw Oleksy - Jacek Jakub Olekszy
- Rosaline Olen - Zdzislaw Olenkowicz
- Raimundas Olensevicius - Audun Olerud
- Beate Olerud - Erik Olerud
- Erik Trautmann Olerud - Helene Bjelland Olerud
- Henning Olerud - Iver-Martin Olerud
- Jan Olerud - Kåre Olerud
- Kåre Olerud - Mona Tøftum Olerud
- Morten Olerud - Solveig Olerud
- Solveig Christophersen Olerud - Henryk Oles
- Hubert Oles - Anna Olesen
- Anne Dorte Olesen - Bård Olesen
- Bård Olesen - Erik Olesen
- Erik Olesen - Jørn Olesen