Marit Oddvik till Robert Offerdal
- Marit Oddvik - Yngve Oddvik
- Alf Oddvin - Marie Nikoline Oddøy
- Odd Johan Oddøy - Morten Odeen
- Ragni Klokkerstuen Odeen - Bjorg Odegard
- Guro Birging Monsen Odegard - Kristin Sætre Odeh
- Kristoffer Odeh - Rune Odelsgård
- Mikael Amadeus Odelskiold - Nina Margareta Oden
- Odd Kenneth Oden - Morten Berglind Odenbratt
- Tommy Holth Odenbratt - Marit Irene Odenmarck
- Martine Odenmarck - Jon Odenrud
- Kari Odenrud - Bernt Daniel Odfjell
- Bernt Daniel Odfjell - Kristin Østervold Odfjell
- Lisbeth Odfjell - Wenche Elisabeth Odgaard-Jensen
- Annike Speed Odgers - Sunday Odibo
- Sunday Odibo - Arjan Odijk
- Joseph Johannes Adrianus Odijk - Marius Odinas
- Marius Odinas - Anne Odinsen
- Anne Lisbeth Odinsen - Irmelin Ann Odinsen
- Jan Odinsen - Odd Arnulf Odinsen
- Odd-Helge Odinsen - Øyvind Odinsen
- Joakim Kornelius Odinson - Odisho Odisho
- Odisho Slifo Sleefo Odisho - Anne Beate Odland
- Anne Berit Odland - Arne Iversen Odland
- Arne Sigurd Odland - Berit Odland
- Berit Bakkane Odland - Bjørn Odland
- Bjørn Olav Odland - Dag Inge Odland
- Dagfinn Nedrehagen Odland - Eirik Odland
- Eirik Ulstein Odland - Ellen Margrete Odland
- Ellen Signe Birgitte Basberg Odland - Gerd Olaug Odland
- Gerd Wenche Odland - Harry Odland
- Hedvig Odland - Håkon Odland
- Håvard Ulstein Odland - Ingrid Odland
- Ingunn Odland - Jan-Erik Odland
- Jan-Henning Odland - John Odland
- John Odland - Karin Odland
- Karin Odland - Kine Odland
- Kirsten Odland - Knut Magnus Odland
- Konrad Odland - Lena Odland
- Lena Misje Odland - Magne B Odland
- Magnus Odland - Marit Birgithe Odland
- Marit Tislevoll Odland - Mikael Doddema Odland
- Mikael Sørgård Odland - Oddgeir Odland
- Oddvar Odland - Ove Odland
- Paul Odland - Reidun Marie Odland
- Reidun Regine Vestre Odland - Sally Annie Johnsen Odland
- Sara Odland - Solveig Odland
- Sonja Odland - Sverre Odland
- Synnøve Odland - Thorleif Odland
- Tine Margrethe Odland - Torleif Odland
- Tormod Odland - Åse Odland
- Ørjan Odland - Ingrid Odlo
- Iver Peder Odlo - Anna Marit Odlolien
- Anne Margrethe Odlolien - Svein Odlolien
- Svein Odlolien - Kari Odne
- Kari Odne - Arnt Odnes
- Bernt Odnes - Ola Odnes
- Ragnhild Odnes - Dimitri Odnolko
- Julia Odnolko - Sigurd Odnæs
- Anders Odnæssveen - Margaret Odoi
- Anthony Manuel Odomba - Stepan Odosii
- Abdi Karin Odowa - Evija Odre
- Eduardo Odriozola - Marcin Odrowaz-Petrykowski
- Marcin Odrowaz-Petrykowski - Arne Odsæter
- Geir Holst Odsæter - Onyekachi Michael Martin Odum
- Rejoice Esinam Odum - Hanne Odven
- Malcolm Odven - Krzysztof Pawel Odziom
- Wojciech Odziomek - Bobby Oedegaard
- Diana Smith Oeding - Steffen Oeding
- Sara Oedngi - Ninnie Helen Bakken Oehme
- Rolf Oehme - Ivar Oellingrath
- Johan Antonio Oellingrath - Rolf Hans Oelze
- Sissel Oem - Ann-Kristin Oen
- Ann-Kristin Oen - Bergliot Natalie Oen
- Berit Kaspara Oen - Daniel Gjesdal Oen
- Dankert Oen - Frank Roger Oen
- Fredrik Oen - Hege Svortevik Oen
- Heine Oen - Ingolf Oen
- Ingrid Oen - John Birger Oen
- Johnny Aleksander Oen - Kjell Oen
- Kjell Gunnar Oen - Linda Beate Oen
- Linda Skiftesvik Oen - Mary-Anne Oen
- Mona Jeanette Oen - Ragnvald Oen
- Randi May Oen - Sandra Oen
- Sandra Oen - Stian Svendsen Oen
- Susanne Oen - Tor Oen
- Tor Atle Oen - Åge Magne Oen
- Åse Oen - Robertus Petrus Oerlemans
- Aurelija Oerneviciute - Agnete Oestreich
- Arild Garman Oestreich - Ruben Oestreich
- Stian Garmann Oestreich - Geir Ove Oettel
- Geir Ove Oettel - Jon Björn Ofeigsson
- Franca Ofenhen - Anne Berit Offenberg
- Arne Offenberg - Jarl Heine Offenberg
- John Offenberg - Solveig Irene Offenberg
- Stein H Offenberg - Sara Aurora Charlotte Offerbeek
- Elisabeth Offerdahl - Willy André Offerdahl
- Aleksander Offerdal - Berit Offerdal
- Berith M Offerdal - Erik Offerdal
- Erling Offerdal - Hans Egil Offerdal
- Harald Norvald Offerdal - Jorunn Marie Offerdal
- Kari Grete Offerdal - Robert Offerdal