Knudsen

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:
 * 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
 * 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
 * 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
 * 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
 * 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