Nilsen
Nilsen is a surname of Norwegian origin, meaning "son of Nils". It refers to:
- Adolf Nilsen, Norwegian Olympic rower
- Alfred Nilsen, Norwegian politician; served one term in the Storting 1950–54
- Alfred Sigurd Nilsen, Norwegian politician; served three terms in the Storting
- Anders Nilsen, several people
- Arne Nilsen, Norwegian government minister
- B. J. Nilsen, Swedish sound artist
- Betty Ann Bjerkreim Nilsen, Norwegian orienteering competitor and cross country skier
- Dennis Nilsen, Scottish serial killer
- Einar Nilsen, Norwegian Olympic boxer
- Elin Nilsen, Norwegian Olympic skier
- Erling Nilsen, Norwegian Olympic boxer
- Harald Christian Strand Nilsen, Norwegian Olympic skier
- Ida Nilsen, Canadian singer and songwriter
- Jeanette Nilsen, Norwegian Olympic handball player
- Jimmy Nilsen, Swedish motorcycle speedway rider
- Kristoffer Nilsen, Norwegian Olympic boxer
- Kurt Nilsen, Norwegian pop/country singer
- Laila Schou Nilsen, Norwegian Olympic skater and skier
- Lars Arvid Nilsen, Norwegian shot putter
- Lillebjørn Nilsen, Norwegian singer, songwriter, and folk musician
- Nils Emaus Nilsen, Norwegian politician; Served one term in the Storting 1950–54
- Oddvard Nilsen, Norwegian politician, served three terms in the Storting
- Olav Nilsen, Norwegian professional football player
- Ole-Jørgen Nilsen, Norwegian actor
- Oliver John Nilsen, Australian businessman and Lord Mayor of Melbourne
- Peder Nilsen, Norwegian government minister
- Phil Nilsen, English rugby union football player
- Roger Nilsen, Norwegian professional football player
- Rudolf Nilsen, Norwegian poet and journalist
- Rune Nilsen, Norwegian Olympic triple jumper
- Selmer Nilsen, Norwegian fisherman who spied for KGB during the Cold War
- Spencer Nilsen, American video game music composer
- Steinar Nilsen, Norwegian professional football player and manager
- Tom-Christer Nilsen, Norwegian politician from Hordaland
- Torstein Aagaard-Nilsen, Norwegian music composer
- Werner Nilsen, Norwegian-American soccer player
