Finn person fra Gamle Fredrikstad
- Henriette Isebakke
- Tove Marita Isebakke
- Vahajevitsj Jevlojev Islam
- Aland Muhsin Ismael
- Sten Isnes
- Arne Istad
- Mina Johansen Istad
- Sidsel Iversby
- Aurora Lund Iversen
- Camilla Iversen
- Geir Iversen
- Helge Faye Iversen
- Jan Åge Iversen
- Kasper Iversen
- Marit Synnøve Iversen
- Monica Iversen
- Raymond Iversen
- Reidun Iversen
- Roger Iversen
- Tommy Iversen
- Venke Sandhaug Iversen
- Per Iversen-Fried
- M J
- Arez Jabar
- Albert Matteo Mosby Jacobsen
- Arild Veland Jacobsen
- Asle Jacobsen
- Birgith Havna Jacobsen
- Charlotte Jacobsen
- Frida Jacobsen
- Inger Lise Jacobsen
- Jon Alfred Jacobsen
- Junne-Susan Jacobsen
- Karine Jacobsen
- Kåre Jacobsen
- Lasse Jacobsen
- Ludvig Antonio Mosby Jacobsen
- Marius-Andre Jacobsen
- Matteo Antonio Vogt Jacobsen
- Morten Jacobsen
- Odd Jacobsen
- Per Erik Jacobsen
- Petter M. Jacobsen
- Ronny Jacobsen
- Signe Mosby Jacobsen
- Sofie Jacobsen
- Stanley Melvin Jacobsen
- Stein Erik Jacobsen
- Marit Jacobsen Veland
- Bachar Jafar
- Biana Jafar
- Tahera Jafari
- Ermal Jahaj
- Ferdane Jaha-Mehmeti
- Edin Jahic
- Erik Jahnsen
- Jan Erik Jahnsen
- Anne Grete Jakobsen
- Ann-Elise Jakobsen
- Ann-Elise Jakobsen
- Elna Jakobsen
- Fredrik Jakobsen
- Fridel Anne Jakobsen
- Jessica Jakobsen
- Lasse Jakobsen
- Markus Kallerød Jakobsen
- Monica Jakobsen
- Siv Ruth Jakobsen
- Sonja Jakobsen
- Tor Erik Jakobsen
- Vidar Jakobsen
- Villy Gunnar Jakobsen
- William Jakobsen
- Helene Jakobsen Vestlie
- Ahmad Ali Jamil
- Pål James Jamissen
- Truls James Jamissen
- Ingvild Jamt
- Knut Arnor Jamt
- Kristin Jamt
- Dubravka Janjetovic
- Tihomir Janjetovic
- Petko Jekov Jankov
- Randi Tove Hansen Jankov
- Ann Kristin Ask Jansen
- Camilla Jansen
- Jan Roger Jansen
- Kristine Jansen
- Terje Jansen
- Mai Britt Janster
- Stein Kristian Janster
- Katsiaryna Jarad
- Isak Jaramillo-Høidahl
- Sverre Christian Jarild
- Linnea Marie Jarild Larsen
- Kirsti Patricia Jarrett
- Ragnhild Jarring
- Uno Sverre Jarring