Wenche Osa till Benjamin Osei
- Wenche Osa - Sergej Osadchuk
- Dmytro Osadchyi - Juliana Osadtsaja
- Aleksei Osadtsi - Errol Francis Osafo
- Esi Lily Osafo - Gladyis Osagie
- Joy Osagie - Aiyoboze Osahon
- Blessing Osahon - Randi Osaker
- Lovis Osakobo - Torill Bye Osakwe
- Hilde Osaland - Stilfinneren - Annelise Osaland
- Annelise Osaland - Dag Helge Osaland
- Egil Osaland - Ella Ingvarda Osaland
- Else Anlaug Osaland - Godtfred Osaland
- Gro Haukøy Osaland - Helene Thea Osaland
- Helga Osaland - Jane Osaland
- Joakim Vassbø Osaland - Kevin Emil Osaland
- Knut Osaland - May Brit Harestad Osaland
- May Brit Harestad Osaland - Ove Osaland
- Per Ivar Osaland - Siri Osaland
- Siv Merete Johansen Osaland - Svein Egil Osaland
- Sven Osaland - Åse Margot Osaland
- Åshild Osaland - Gunhild Osan
- Hedda Helene Osan - Tor Arne Osan
- Trond Osan - Sunday Osaretin
- Thomas Osareveae - Lilian Osatohanwen
- Erick Osauwenese - Evelyn Rasmussen Osazuwa
- Monika Rasmussen Osazuwa - Helge Lennart Osbak
- Lillian Trones Osbak - Ann Karin Osbakk
- Anne Osbakk - Elisabeth Irene Osbakk
- Elise Helen Osbakk - Inger Lise Osbakk
- Ivar Osbakk - Kristoffer Osbakk
- Louise Osbakk - Ronny Eilif Osbakk
- Runar Osbakk - Torund Lauritzen Osbakk
- Tove Osbakk - Anita Osberg
- Anne Helene Osberg - Daniel Hope Osberg
- Daniel Vatle Osberg - Frida Buanes Osberg
- Gerd Lillian Osberg - Ingve Leif Osberg
- Ingvild Osberg - Johanne Grimstad Osberg
- Johannes Eide Osberg - Jørgen Solheim Osberg
- Kaia Tufteland Osberg - Mariel Osberg
- May-Lene Osberg - Pia Buanes Osberg
- Rebecca Molde Osberg - Stig Roger Osberg
- Terese Steinsvik Osberg - Vigdis Osberg
- Vivi Loftaas Osberg - Borghild Osborg
- Brit Mo Osborg - Guro Bloch Osborg
- Guttorm Osborg - Kjetil Osborg
- Kjetil Osborg - Ruth-Louise Osborg
- Sindre Bloch Osborg - Vår Osborg
- Wenche Osborg - David Kenneth Osborne
- Dawn Lesley Osborne - Jorunn Fjeld Osborne
- Nicholas Osborne - Wat Oscar
- Camilla Vilde Oscar-Andersen - John Waldemar Oscarsen
- Kari Oscarsen - Dag Oscarsson
- Hans Bo Pierre Oscarsson - Pål Fredrik Oscarsson
- Richard Oscarsson - Bart Oscilowski
- Bartlomiej Oscilowski - Beate Folkestad Osdal
- Bent Sivert Osdal - Elin Sundal Osdal
- Eline Maria Osdal - Harald A Osdal
- Hege Osdal - Ingebjørg Osdal
- Ingvild Osdal - Jon Kåre Osdal
- Kjellfrid Synneve Osdal - Leiv Inge Osdal
- Linda Osdal - Morten Osdal
- Nils Osdal - Reidun Osdal
- Robert Aas Osdal - Solrun Osdal
- Solveig Haldis Osdal - Sølve Osdal
- Tereza Osdal - Åse Osdal
- Åse Karin Osdal - Inge Osdalen
- Kenneth Lunner Osdalen - Deme Osdautaj
- Samir Osdautaj - Anders Ose
- Ane Cathrine Ose - Anne Lise Ose
- Anne Mari Hjørnevik Ose - Atle Ose
- Aud Ose - Bjørn Ose
- Bjørn Andre Ose - Dag Fritjof Ose
- Dagmar Ose - Eldar Johan Ose
- Eli Ose - Erik Ose
- Eva Lena Ose - Gro Ose
- Gunn Hilde Ose - Hans L Ose
- Hans Olav Ose - Hildegunn Berge Ose
- Håvard Ose - Ingrid Wendelborg Ose
- Ingvar Ose - Johnny Ose
- Jonna Ose - Kenneth Ose
- Kirsten Ose - Kristin Ose
- Kristin Berild Ose - Leif Olaisen Ose
- Leiv Ose - Maria Wendelborg Ose
- Marianne Solbjørg Ose - Morten Ose
- Morten Ose - Olga Marie Ose
- Otto Mathias Ose - Randi Frida Ose
- Reidun Ose - Sissel Greta Ose
- Sissel Lisbeth Ose - Stig Ove Ose
- Stig Tore Ose - Sverre Ose
- Synne Ose - Torill Ose Ose
- Torunn Ose - Øivind Grim Ose
- Øyvind Grim Ose - Allaug Oseassen
- Ann Olaug Grødem Oseassen - Kåre Oseassen
- Liv Rigmor Oseassen - Else Marie Osebakken
- Eva Osebakken - Marita Osebakken
- Remi Osebakken - William Osebakken
- Wincentz Osebakken - Arne-Petter Oseberg
- Bente Oseberg - Else Lill Oseberg
- Filip Bogen Oseberg - Ingeborg Oseberg
- Inger Oseberg - Kevin Andre Oseberg
- Kirsten Oseberg - Mathias Ottesen Oseberg
- Morten Andre Hoff Oseberg - Benjamin Osei