Finn person fra Ranheim
- Karen Marie Oma\T
- Aisha Abakr Omar
- Omran Nayef Almakttaf
- Renate Ona
- Berit Onarheim
- Jon Hilmar Onarheim
- Lars Onarheim
- Madelen Kristin Onarheim
- Miranda Elena Onarheim
- Kristin Onsager
- Leif Jørgen Juster Onsager
- Silje Onsager
- Kari Støre Onsøyen
- Olav Brynjar Onsøyen
- Marius Opdal
- Ellen Minerva Opedal-Singsaas
- Guro Bjørkli Ophaug
- Aud Eva Opheim
- Emma Opheim
- Laila Kristin Opheim
- Malin Tangen Opheim
- Morten Opheim
- Odd Johan Opheim
- Sverre Opheim
- Thomas Tangen Opheim
- May Restad Opland
- Mona Opphaug
- stengt oppsagt
- Maiken C Strøm Opsahl
- Anita Bugge Opsal
- Anna Opsal
- Halldis Austad Opsal
- Jan Gunnar Opsal
- Kristine Opsal
- Kristine Aune Opsal
- Ståle Opsal
- Håkon Opsal Flaathe
- Maren Ormbostad
- Per Ivar Ormøy
- Erlend Orthe
- Ann-Inger Osen
- Lukas Fletcher Osen
- Eija Inkeri Kingelin Osnes
- Elisabeth Osnes
- Hanne Osvoll
- Stian Røkkum Oterhals
- Tor Oterhals
- Bente Charlotte Otnes
- Lars Lien Otnes
- Mali Otnes
- Per Olav Ottem
- Edyta Ottenbrajt-Kulasza
- Marianne Ottersen
- Bertil Otterstad Carlsen
- Hege Iren Ottesen
- Svein Torkil Ottesen
- Elin Furre Overby
- Thomas Gjevik Overholt
- Anne Overland
- Nils Christian Overland
- Kari Overskaug
- Roar Overskaug
- Jan Overskott
- Marika Overvik
- June Oddny Ovesen
- Kristaps Ozolins
- Arne Pallesen
- Marit Pallesen
- Lisa Palviainen Breivik
- Maksym Pashchenko
- Sandra Passani
- Bjørg Paulsen
- Bjørg Paulsen
- Bjørn Ole Paulsen
- Erik Paulsen
- Frode Paulsen
- Henrik Frøseth Paulsen
- Inger Marie Paulsen
- Leif Eirik Paulsen
- Lillian Paulsen
- Maja Paulsen
- Maj Synnøve Paulsen
- Marianne Kristin Paulsen
- Mariell Paulsen
- Marit Irene Paulsen
- Marte Paulsen
- Merethe Lorentzen Paulsen
- Nora Emilie Paulsen
- Per Otto Paulsen
- Petter Paulsen
- Randi Paulsen
- Roar Paulsen
- Silje Elise Paulsen
- Solveig Helene Ottemo Paulsen
- Stian Paulsen
- Thomas André Paulsen
- Jan Tore Paulsrud
- Veronika Andreassen Pederse
- Anita Pedersen