Knudsen may refer to: People Knudsen is a surname of Scandinavian origin, derived from the personal name Knud (Canute) and literally meaning "Knud's son." Notable people with the surname include: Anthony Carl Knudsen (1874–1931), American businessman and politician Gitte Moos Knudsen, Danish neurobiologist and neurologist Gunnar Knudsen (1848–1928), Prime Minister of Norway 1908–1910 and 1913–1920 Jens Martin Knudsen (1930–2005), Danish astrophysicist Jens Martin Knudsen (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 Knud Knudsen (linguist) (1812–1895), Norwegian linguist Konrad Knudsen (1890–1959), Norwegian painter, journalist, and parliamentarian Lars Knudsen (born 1962), Danish researcher in cryptography Martin Knudsen (1871–1949), Danish physicist 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 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, currently owned by Kraft Foods R.W. Knudsen Family, a brand of natural bottled juices, currently owned by The J.M. Smucker Company Knudsen gas, scientific model for gases Knudsen number, dimensionless number Knudsen layer, layer between liquid and vapour See also Knutsen Danish-language surnames Norwegian-language surnames Patronymic surnames Surnames from given names