Knudsen may refer to:
People Knudsen is a surname of Danish origin, derived from the personal name Knud (Canute) and literally meaning "Knud's son." Notable people with the surname include: Aase Schibsted Knudsen (born 1954), Norwegian academic and writer Anne Knudsen (1948–2022), Danish anthropologist, editor, journalist and researcher Anthony Carl Knudsen (1874–1931), American businessman and politician Chilton R. Knudsen (born 1946), American Episcopal bishop Gitte Moos Knudsen, Danish neurobiologist and neurologist Gunnar Knudsen (1848–1928), Prime Minister of Norway 1908–1910 and 1913–1920 Hans Knudsen (1886–1971), German writer Jens Martin Knudsen (1930–2005), Danish astrophysicist Jens Martin Knudsen (footballer) (born 1967), Faroese goalkeeper
Jesper Knudsen (badminton) (born 1960), Danish player Karen Knudsen, American oncology researcher Keith Knudsen (1948–2005), American musician, member of The Doobie Brothers Kerry Knudsen (born 1950), American lichenologist Knud Knudsen (linguist) (1812–1895), Norwegian linguist Knut Knudsen, (born 1950), retired Norwegian road and track cyclist. Konrad Knudsen (1890–1959), Norwegian painter, journalist, and parliamentarian Lars Knudsen (born 1962), Danish researcher in cryptography Lina Almind Knudsen (born 1985), Danish curler Lisbeth Knudsen (born 1953), Danish newspaper editor and businesswoman Martin Knudsen (1871–1949), Danish physicist Matt Knudsen (born 1974), American actor, comedian and writer Morten Knudsen, (born 1995) Danish footballer Per Holm Knudsen (contemporary), Danish author Eugene Peter Knudsen (1915–1981), American farmer and politician Semon "Bunkie" Knudsen (1912–1998), American automobile industry executive Sidse Babett Knudsen (born 1968), Danish actress Tord Øverland Knudsen (born 1982), Norwegian musician Ulrik Knudsen (born 1978), Danish politician Valdemar Knudsen (1819–1898), Norwegian-American sugar planter on Hawaii, entrepreneur Vern Oliver Knudsen, (1893–1974), American acoustical physicist William S. Knudsen (1879–1948), Danish American automobile industry executive, US Army General
Other uses Knudsen, a brand of dairy products, is currently owned by Lactalis R.W. Knudsen Family, a brand of natural bottled juices Knudsen gas, scientific model for gases Knudsen number, dimensionless number Knudsen layer, layer between liquid and vapour Morrison–Knudsen, was an American civil engineering and construction company active in the 20th century.
See also Knutsen