Ingunn Oftedal till Mads Bertin Ohnstad
- Ingunn Oftedal - Jan Oftedal
- Jan Thorvald Oftedal - Jon Oftedal
- Jonas Oftedal - Katrine Oftedal
- Ken Patrick Oftedal - Kjellaug Oftedal
- Kjellaug Oftedal - Kristian Oftedal
- Kristian Oftedal - Kåre Oftedal
- Kåre Oftedal - Lillian Oftedal
- Lind Victoria Oftedal - Liv Ravndal Oftedal
- Liv Thu Oftedal - Margunn Oftedal
- Margunn Undheim Oftedal - Marit L Oftedal
- Marit Nancy Oftedal - Mildrid Oftedal
- Mimmi Oddbjørg Oftedal - Målfrid Oftedal
- Nicolai Oftedal - Odd Oftedal
- Odd Sigmund Oftedal - Ole André Oftedal
- Ole Birger Oftedal - Pål Oftedal
- Pål Endre Oftedal - Robert Oftedal
- Robert A Oftedal - Signy Oftedal
- Sigrun Edna Oftedal - Siv Helland Oftedal
- Siv Irene Oftedal - Sturla Nilssen Oftedal
- Ståle Oftedal - Sven Oftedal
- Sven Oftedal - Thomas Oftedal
- Thor Christian Oftedal - Tonje Oftedal
- Tor Oftedal - Tore Oftedal
- Tore Oftedal - Trine Oftedal
- Trond Arve Oftedal - Vidar Oftedal
- Vilde Oftedal - Øyvind Oftedal
- Øyvind Oftedal - Anders Often
- Ann-Sofie Vikstrøm Often - Magne Daaland Often
- Mali Vangen Often - Hildegunn Oftenes
- Karen Oftenes - Victoria Marianne Oftestad
- Åsulv Oftestad - Clementina Ofulue
- Hycent Lawrence Ofulue - Pearl Anne Ogan
- Yolanda Altagracia Ogando - Krzysztof Jerzy Ogar
- Tomasz Sebastian Ogar - Adhant Ogbagerigsh
- Tesfu Berhe Ogbakristos - Hinsab Semere Ogbamichael
- Meron Fanuel Ogbamichael - Mebrahtu Ogbazghi
- Mebrahtu Ogbazghi - Frederick Ogbebo
- Linda Haugen Ogbebo - Helen Ogbeide
- Kerstin Marie-Anne Ogbeide - Eric Ogbu
- Eric Ogbu - Unni Heimstad Ogedengbe
- Camilla Margaretha Ogenmyr - Agharere Happy Oghogho
- Joy Jojo Ogie - Richard Ian Ogilvy
- Lawrence Ouma Ogina - Sree Subba Reddy Ogireddy
- Natalya Mikhailovna Ogiy - Krzysztof Ogloza
- Pawel Ogloza - Bjørnar Ogne
- Christer Ogne - Anna Ognedal
- Anne Ognedal - Hans Kristian Ognedal
- Helge Ognedal - Kenneth Ognedal
- Kim Morten Ognedal - Olaf Ognedal
- Olav Ognedal - Sonja Ognedal
- Steinar Ognedal - Tønnes A Ognedal
- Dimce Ognenov - Genadij Ognev
- Jevgeni Ognev - Gorana Ognjenovic
- Irena Ognjenovic - Bjørg Solveig Ognøy
- Bjørn Ognøy - Linda Ognøy
- Magne Jordbrekk Ognøy - Adele Therese Ogoba
- Ebidi Dickson Ogoba - Dominik Michal Ogorek
- Jacek Mariusz Ogorek - Ozegya Osheka Ogoshi
- Jeni Nikolova Ogoti - Mathias Ogre
- Ragnhild Ogre - Andrzej Ogrodnik
- Arkadiusz Maciej Ogrodnik - Slawomir Mariusz Ogrodnik
- Sylwester Krzysztof Ogrodnik - Ryszard Jan Ogrodowski
- Ryszard Jan Ogrodowski - Fegofi Ogude
- Ikechukwu Vincent Ogudo - John Ogunbona
- Marlin Remilekun Smith Ogunbona - Oludayo John Oguntoyinbo
- Nyikola Oguouk Akway - Owino Daniel Ogweno
- James Ogweta - Joachim Murphyn Ohakam
- Joachin Murphy Ohakam - Cecilie von der Ohe
- Christian von der Ohe - Peter Jr Ohemeng
- Peter Junior Ohemeng - Berit Dorothea Ohldieck
- Christian Ohldieck - Martin Junker Ohldieck
- Nataniel Von Ohle - Cathrine Ohlgren
- Elisabeth Westby Ohlgren - Ole-Jørgen Ohlgren
- Ole-Marthin Ohlgren - Rasmus Ohlin
- Tina Viola Elisabeth Ohlin - Laila Ohlsen
- Liv Berit Stamm Ohlsen - Ludwik Ohlson
- Magnus Ohlson - Doris Ohlsson
- Elin Johanne Ohlsson - Jonas Ohlsson
- Kari Loennecken Ohlsson - Patrich Ohlsson
- Per Erik Anders Ohlsson - Sylvia Ohlsson
- Tina Ohlsson - Anna Ohm
- Anne Haram Ohm - Brit Ohm
- Camilla Ohm - Eva Ohm
- Eyvind Ohm - Johannes Ohm
- Jostein Ohm - Lars Henning Ohm
- Leif Bjarne Ohm - Ole-Jørgen Ohm
- Ove Johnny Bakkedal Ohm - Torger Audun Ohm
- Torger Audun Ohm - Britt Ohma
- Cecilie Ohma - Helene Bowitz Ohma
- Helga Olena Ohma - Kristian Rosten Ohma
- Kåre Ohma - Signe Bowitz Ohma
- Sigrun Ohma - Christian Ohme
- Elin Parr Ohme - Bjarne Ohna
- Cecilie Helen Ohna - Martin Egil Ohna
- Randi Liv Ohna - Amy Whitcomb Ohnstad
- Anbjørg Ohnstad - Astrid Ohnstad
- Atle Ohnstad - Britt Olaug Førde Ohnstad
- Cecilie Ohnstad - Erik Nes Ohnstad
- Erling Ohnstad - Hans-Jacob Ohnstad
- Hege Oma Ohnstad - Joachim Ohnstad
- Johs O Ohnstad - Mads Bertin Ohnstad