Finn person fra Gamle Fredrikstad
- Tor Eilert Olsen
- Tore Knut Olsen
- Tor Frode Olsen
- Torill Sakken Olsen
- Tormod Olsen
- Tor Yngve Olsen
- Tove Olsen
- Tove Katrine Olsen
- Trond Olsen
- Trond Ivar Olsen
- Turid Irene Olsen
- Unni Irene Olsen
- Vera Jenny Olsen
- Vibeke Olsen
- Vigdis Olsen
- Vigdis Flatland Olsen
- Villy Edgar Olsen
- Wenche Margareth Olsen
- Øivind Olsen
- Øivind Norvald Olsen
- Øystein Olsen
- Øyvind Olsen
- Øyvind Roger Olsen
- Benjamin Olseng
- Gunn Lisbeth Olseng
- Benjamin Olsen Smorawski
- Christin Anita Olsen Strømberg
- David Olson
- Anders Olsson
- Camilla Olsson
- Camilla Alexandra Olsson
- Ann Margreth Olsvik
- Jorunn Helene Olszewski
- Robert Jan Olszewski
- Fahmo Aden Moalin Omar
- Fartun Ahmed Omar
- Bente Helene Omberg
- Frøydis Dattner Omberg
- Ingebjørg Omberg
- Nicolai Omberg
- Per Henning Omberg
- Jonas Omberg Bråten
- Liv Berit Opsahl
- Åge Sten Opsahl
- Feliks Viktorovych Orlovskyi
- Kari Kristin Orme
- Vegar Ormaasen
- Asma Osman M Z Osman
- Adrijana Osmancevic
- Amir Osmancevic
- Geir Otto Osvik
- Otto Paul Osvik
- Reidun Aud Osvold
- Harry Oterholm
- Harry Oterholm
- Ruth Oterholm
- Kristin Otnem
- Henrik Otnes
- Natalia Otterman
- Harald Ottesen
- Anita Ottosen
- Birthe Marie Ottosen
- Otto Harry Ottosen
- Rune Kornelius Ottosen
- Thore Arnfinn Ottosen
- Anki Niroun Oushana
- Anders Stokkan Overskott
- Anette Overskott
- Julie Overaa
- Mia Mariann Ovesen
- D P
- Andrea Sofie Pahr-Iversen
- Kasper Marin Pahr-Iversen
- Srinuan Panya
- Sara Park Johansen
- Sonja Muriel Parris
- Richa Parsai
- Georgi Parvanov
- Camilla Paulsen
- Grete Paulsen
- Karl Fredrik Paulsen
- Rune Paulsen
- Solbjørg Paulsen
- Steinar Paulsen
- Thomas Paulsen
- Thomas Paulsen
- Tom Arild Paulsen
- Toril Paulsen
- Øystein Ulfeng Paulsen
- Fredrik Paus
- Krunoslav Pavlic
- Malwina Malgorzata Pawlak
- Svetlana Paygildina
- Alice Pedersen
- Anders Kristian Hvidegaard Pedersen
- Anne Elisabeth Pedersen
- Anne Lise Pedersen
- Atle Lønne Pedersen
- Berit Pedersen