Finn person fra Torshov
- Lars Petter Halvorsen Omland
- Anne Sofie Ommundsen
- Zeth Erik Sigvaldsen Omre
- Margrete Reidun Ona
- Mahda Rashid Oomaar
- Ponnusamy Opathiban
- Harry Opdal
- Håkon Andreas Opdal
- Rebekka Opdal Christiansen
- Erik Opheim
- Helene Fiskarbekk Opheim
- Henrik Våge Bertelsmann Opheim
- Synne Våge Bertelsmann Opheim
- Trude Opland
- Jonas Oppedal
- Ingrid Zeiner Oppegaard
- Lars Opperud
- Mette Opsahl
- David Rindal Opsal
- Jacob Andreas Opskar
- Jacob Andreas Opskar
- Birthe Opstad
- Erlend Rønning Opstad
- Vivian Hilde Opsvik
- Chaib Orahhou
- Balazs Orban
- Ramdan Orhan
- Jean Ormann
- Linn Ornum
- Davide Orso
- Jon Buenaventure Orstad
- Synnøve Orvik
- Tea Osaland
- Elise Frogg Oseid
- Julie Osen
- Tone Rubi Osgraf
- Abdi Mohamed Osman
- Ali Ali Osman
- Jemal Osman
- Zakaria Mohammed Osman
- Abubakar Mahamud Osman
- Muse Adan Osmane
- Steinar Osmundsen
- Steinar Junior Osmundsen
- Magnus Nygård Osnes
- Romanus Osondu Nwani
- Monica Josseth Osorio Herrera
- Jenny Ostad
- Kristina Ostic
- Ibrahim Kwaku Osumanu
- Aleksander Osvoll
- Aurora Osvoll
- Chikako Ota
- Pia Pandora Otterbeck
- Britt Ottesen
- Knut Ottesen
- Pia Skarholt Ottesen
- Nina Ottosen
- Lhoussain Bouazzaoui Oukhellou
- Abdul-Basit Ouro Agouda
- Mansour Ousati Ashtiani
- Linh Martin Vandeskog Ousland
- Kristina Overen Myhre
- Petter Arne Overå
- Hege Ovesen
- Kathrine Ovesen
- Padillo Zenen Ramos
- Eivind Ålgård Padron
- Gerald Edward Page-Jones
- Jacopo Paglia
- Dani Aleksander Pal
- Brian Cyril Paley
- Alexandra Palm
- Thomas Fredrik Palm
- Victoria Johanna Henriksdotter Palmquist
- Ellen Palmstrøm
- Dalia Palsys
- Vladyslav Panchenko
- Tina Pande
- Siddhartha Pandey
- Simona Pandolfo
- Cathrine Margit Pangopoulos
- Michael Pangopoulos
- Nikolas Papaioannou
- Dag Cappelen Papazian
- Aline Schøn Papetti
- Jakub Mateusz Papierzanski
- Liudmila Parfenova
- Kamelia Ventsislavova Parvanova
- Riccardo Parviero
- Cristine Linhares Pascale
- Anne Marie Passianoto Zugaib
- Kinjal Bharatkumar Patel
- Patricia Patoka
- Wannapha Patthane
- Simon Kristian Jordansson Pauls
- Eirik Paulsen
- Endre Hauge Paulsen
- Fredrik Paulsen