Finn person fra Ensjø
- Andreas Olufsen
- Frøydis Lillian Olufsen
- Kasper Olufsen
- Awo Osman Omar
- Ayan Ali Omar
- Ikran Farah Omar
- Mohamed Abdiwali Omar
- Shukri Mohamed Omar
- Hanne Ombudstvedt
- Stian Aasjord Omholt
- Sondre Eide Omland
- Johannes Lien Omma
- Ingunn Onarheim Bernson
- Ellen Ongstad
- Lavender Achieng Onyango
- Hassan Rashid Ahmed Oomar
- Kristin Alette Svendsen Opheim
- Linn Øvstebø Opheim
- Adrian Ophus
- Maria Yun Jee Oppedal
- Emilie Hoel Oppegaard
- Kristoffer Oppen
- Jonas Ruud Oppøyen
- Cristopher Opsahl
- John Opsal
- Kristianne Opsal Marøy
- Vigdis Opsata
- Barbro Bredesen Opset
- Kaare Oddvar Opaas
- Lilly Opaas
- Felipe Javier Castro Orellana
- Charilaos Orfanopoulos
- Brage Otto Ormann
- Christian Ove Orrebakken Tumyr
- Katerin Athenaz Palacios Ortega
- Brynhild Karin Ose
- Anita Oskarsen
- Johanne Svanes Oskarsen
- Mohamed Hassan Osman
- Mohammed Hassan Osman
- Nicolai Osmundsen
- Nicolas Ospina Gaviria
- Anneli Otnes
- Ivan Valentin Almli Otnæs
- Trine Ottemo
- Magnar Otterlei
- Lisa Ottesen
- Otto Realf Ottesen
- Ståle Ottestad
- Tor Erik Ottinsen
- Kristine Leanda Ottosen
- Bouchra Ouaouich
- Ingerlise Oudenstad
- Trym Oust Sonstad
- Nora Overvoll
- Håkon Sandli Ovesen
- Anne Cathrine Owe
- Simen Owesen-Lein
- Henry Owusu
- Juan Arturo Ruiz Oyarzo
- Faith Pacheco
- Joaquim Joao Ribeiro Pacheco
- Catalina-Ioana Paduraru
- Mads Padøy
- Mia Heggernes Padøy
- Mauricio Enrique Ospina Paez
- Frederic Paint
- Gregor Vareberg Paint
- Meryem Ceyda Pakoglu
- Ravi Pal
- Harish Palkar
- Astrid Maria Palm
- Daniel Palmer
- Marit Palmgren
- Tore Palmgren
- Petter Pan
- Juliusz Patryk Pancek
- Kiruththika Panchalingam
- Karianne Labråten Pandey
- Cuiming Pang
- Zeno Tito Pannaggi
- Danilo Pantovic
- Marie-Claire Zakia Papadopoulos
- Veljo Papp
- Dimitrios Pappas
- Aslan Khusenovich Paragulgov
- Mimi Park
- Yashpal Vinodbhai Parmar
- Andreas Parslow
- Hendrikje Paschen
- Violeta Pineda Pascual
- Ismet Pasic
- Jasmina Pasic
- Sanjay Kalyan Patel
- Ingun Vatne Paulsen
- Jan-Erik Paulsen
- Julie Lunde Paulsen
- Ole Kristian Paulsen
- Pia Paulsen