Nilsen

Nilsen is a surname of Norwegian origin, meaning "son of Nils". It refers to:


 * Adolf Nilsen (1895–1927), Norwegian Olympic rower
 * Alfred Nilsen (1892–1977), Norwegian politician; served one term in the Storting 1950–54
 * Alfred Sigurd Nilsen (1891–1977), Norwegian politician; served three terms in the Storting
 * Anders Nilsen (disambiguation), several people
 * Arne Nilsen (1924–2020), Norwegian government minister
 * Achintya Holte Nilsen (born 1999) Indonesian-Norwegian model and activist
 * B. J. Nilsen (born 1975), Swedish sound artist
 * Betty Ann Bjerkreim Nilsen (born 1986), Norwegian orienteering competitor and cross country skier
 * Dennis Nilsen (1945–2018), British serial killer
 * Einar Nilsen (1901–1980), Norwegian Olympic boxer
 * Elin Nilsen (born 1968), Norwegian Olympic skier
 * Erling Nilsen (1910–1984), Norwegian Olympic boxer
 * Harald Christian Strand Nilsen (born 1971), Norwegian Olympic skier
 * Ida Nilsen (contemporary), Canadian singer and songwriter
 * Jeanette Nilsen (born 1972), Norwegian Olympic handball player
 * Jimmy Nilsen (born 1966), Swedish motorcycle speedway rider
 * Kristoffer Nilsen (1901–1975), Norwegian Olympic boxer
 * Kurt Nilsen (born 1978), Norwegian pop/country singer
 * Laila Schou Nilsen (1919–1998), Norwegian Olympic skater and skier
 * Lars Arvid Nilsen (born 1965), Norwegian shot putter
 * Lillebjørn Nilsen (born 1950), Norwegian singer, songwriter, and folk musician
 * Nils Emaus Nilsen (1886–1976), Norwegian politician; Served one term in the Storting 1950–54
 * Oddvard Nilsen (born 1940), Norwegian politician, served three terms in the Storting
 * Olav Nilsen (1942-2021), Norwegian professional football player
 * Ole-Jørgen Nilsen (1936–2008), Norwegian actor
 * Oliver John Nilsen (1884–1977), Australian businessman and Lord Mayor of Melbourne
 * Peder Nilsen (1846–1921), Norwegian government minister
 * Phil Nilsen (born 1985), English rugby union football player
 * Roger Nilsen (born 1969), Norwegian professional football player
 * Rudolf Nilsen (1901–1929), Norwegian poet and journalist
 * Rune Nilsen (1923–1998), Norwegian Olympic triple jumper
 * Selmer Nilsen (1931–1991), Norwegian fisherman who spied for KGB during the Cold War
 * Spencer Nilsen (born 1961), American video game music composer
 * Steinar Nilsen (born 1972), Norwegian professional football player and manager
 * Tom-Christer Nilsen (born 1969), Norwegian politician from Hordaland
 * Torstein Aagaard-Nilsen (born 1964), Norwegian music composer
 * Werner Nilsen (1904–1992), Norwegian-American soccer player