Finn person fra Grefsen
- Magnus Schlichting Olsen
- Marita Lien Olsen
- Morten Olsen
- Ole Gunnar Olsen
- Per Olav Olsen
- Per Robert Olsen
- Pål Rosén Olsen
- Pål-Espen Olsen
- Pål Magne Olsen
- Reidar Kaland Olsen
- Roy Olsen
- Sigurd Lundberg Olsen
- Solveig Marie Olsen
- Sophie Bartnes Olsen
- Øystein Olsen
- Jörgen Kenth Tony Olsson
- Viktor Olsson
- Sigmund Omang
- Siri Merete Omang
- Fatuma Omar
- Stine Ombustvedt
- Irfan Omerovic
- Erik Omland
- Morten Omland
- Nina Elisabeth Omland
- Marit Christine Opdahl
- Helene Margrethe Storebø Opheim
- Kari Opheim
- Vilde Nathalie Opheim
- Theresa Elise Nøsen Opoku
- Silje Viggen Opsahl
- Silje Opstad
- Silje Langdal Opstad
- Erlend Ormbostad
- Tone Sivertsen Ormbostad
- Isabel Oskarsen
- Trine Oskarsen
- Laura Osmani
- Eilif Ottar
- Asle Ottersen
- Emilie Moen Ottersen
- Ida Mathilde Ottersen
- Bente Orlaug Ottesen
- Oleg Anatoljevitch Oudovikov
- Anne Marit Oulie
- Bente Birgitte Oulie
- Erik Steffen Oulie
- Lillian Oulie
- Ragnhild Birgitte Oulie
- Tuva Heimdal Oulie
- Inge Ovesen
- Stian Ovesen
- Ole Torstein Ovrum
- Katrine Mari Owe
- Simen Gylterud Owe
- Maj Elisabeth Oxaal
- Volker Oye
- Ariadna Sofia Pabon Barreto
- Elena Martinez Padin
- Roberto Padin
- Jesus Vladimir Martin Padron
- Tommy Palmgren
- Uttam Pandey
- Jesus Perez Pantoja
- Ask Aresson Pape
- Tine Bødtcher Pape
- Ion Paraschivu
- Alena Parshina
- Guro Parvanova
- Nivoso Paulina
- Else Marie Paulsen
- Grete Paulsen
- Ingvild Kristine Paulsen
- Iren Paulsen
- Jon Paulsen
- Per Erik Paulsen
- Vidar Paulsen
- Josemar Augusto De Almeida Paz
- Anne Maria Pedersen
- Beate Kase Pedersen
- Christopher Barr Pedersen
- Else Marie Pedersen
- Eva Pedersen
- Geir Kleivstul Pedersen
- Hanne Kristin Pedersen
- Harald Pedersen
- Herdis Annie Pedersen
- Inger-Lise Pedersen
- Ingrid Leuckfeld Pedersen
- Kenneth Pedersen
- Lisann Pedersen
- Mari Berseth Pedersen
- Martin Pedersen
- Teis Pedersen
- Trude Therese Pedersen
- Una Aakervik Pedersen
- Vibeke Rye Pedersen
- Thea Pedersen Goa
- Luis Enrique Marin Pereira