Hagen is a surname. Notable people with the surname include:

A

• Aksel Hagen (born 1953), Norwegian politician
• Alexander Hagen (born 1955), German sailor
• Alice Mary Hagen (1872 – 1972), Canadian ceramic artist
• Anders Hagen (1921–2005), Norwegian archaeologist
• Anita Hagen (1931–2015), Canadian politician

B

• Bernhard Joachim Hagen (1720–1787), German composer, violinist and lutenist
• Bruce Hagen (born 1930), American politician

C

• Carl I. Hagen (born 1944), Norwegian politician, former leader of the Progress Party and Vice-President of Stortinget
• Cosma Shiva Hagen (born 1981), German actress
• C. R. Hagen (born 1937), American physicist at the University of Rochester

D

• Daniel Hagen, American voice, television, and film actor
• Daron Hagen (born 1961), American composer
• David Hagen (1973–2020), Scottish footballer
• David Warner Hagen (1931-2022), American jurist

E

• Earle Hagen (1919–2008), American composer
• Edvald Boasson Hagen (born 1987), Norwegian cyclist
• Edward Hagen (anthropologist) (born 1962), American biological anthropologist and professor
• Edward Hagen (handballer) (1908–1963), American handball player
• Edward Hagen (Minnesota politician) (1875–1950), American farmer, educator and politician
• Eli Hagen (born 1947), wife and secretary of the Norwegian politician Carl I. Hagen
• Erik Hagen (born 1975), footballer who played for FC Zenit Saint Petersburg
• Eva-Maria Hagen (1934–2022), German actress and singer

G

• Georgina Hagen (born 1991), English actress
• Gottfried Hagen (1230–1299), German town clerk
• Gotthilf Hagen (1797–1884), German physicist and hydraulic engineer
• Gulbrand Hagen (1864–1919), American newspaper editor, writer and photographer

H

• Halvor Hagen (born 1947), American football player
• Hans Hagen (born 1953), professor of computer science at the University of Kaiserslautern
• Harald Hagen (1902–1970), Norwegian sailor
• Harlan Hagen (1914–1990), American politician
• Harold Hagen (1901–1957), American politician
• Hermann August Hagen (1817–1893), German entomologist
• Horst Hagen (born 1950), German volleyball player

I

• I. Kathleen Hagen (1945–2015), former medical doctor who gained notoriety for being accused of murder by asphyxia of her parents
• Ingeborg Refling Hagen (1895–1989), Norwegian author and teacher
• Ingebrigt Severin Hagen (1852–1917), Norwegian bryologist

J

• Jacob Hagen (1809–1870), businessman and parliamentarian in South Australia
• Jean Hagen (1923–1977), American actress
• Jimmy Hagan (1918–1998), English football player and manager
• Johann Georg Hagen (1847–1930), American astronomer and Catholic priest
• Julius Hagen (1884–1940), German film producer

K

• Karen Grønn-Hagen (1903–1982), Norwegian politician
• Kenneth Sverre Hagen (1919–1997), American entomologist
• Kevin Hagen (1928–2005), American actor

L

• Loren D. Hagen (1946–1971), United States Army Special Forces officer awarded the Medal of Honor

M

• Magne Hagen (born 1938), Norwegian royal servant
• Mark Rein·Hagen (born 1964), role-playing, card, video and board game designer
• Mark von Hagen (1954–2019), professor for Russian, Ukrainian, and Eurasian history at Arizona State University
• Morten Hagen (born 1974), Norwegian golfer

N

• Natascha Hagen, Austrian singer-songwriter
• Nina Hagen (born 1955), German female singer

O

• Oddbjørn Hagen (1908–1983), Norwegian skier
• Olav Hagen (1921–2013), Norwegian cross country skier
• Orville W. Hagen (1915–2007), American politician
• Oskar Hagen (art historian) (1888–1957), German art historian
• Oscar W. Hagen (1884–1945), American politician

P

• Paul Hagen (1920–2003), Danish film actor

R

• Rune Hagen (born 1975), Norwegian footballer

S

• Silvia Hagen, author
• Stan Hagen (1940–2009), Canadian politician
• Steffen Hagen (born 1986), Norwegian footballer
• Stein Erik Hagen (born 1956), Norwegian businessman
• Steve Hagen (born 1945), founder of the Dharma Field Zen Center
• Steven van der Hagen (1563–1621), first admiral of the Dutch East India Company

T

• Theodor Hagen (music critic) (1823–1871), German-American writer on musical topics
• Theodor Hagen (artist) (1842–1919), German landscape painter
• Thoralf Hagen (1887–1979), Norwegian rower
• Tom Hagen (businessman) (born 1950), Norwegian businessman
• Tom Harald Hagen (born 1978), Norwegian footballer
• Toni Hagen (1917–2003), Swiss geologist and development assistance pioneer in Nepal

U

• Ulrich Hagen (1925–2007), German scientist
• Uta Hagen (1919–2004), American stage actress

V

• Veronika Hagen (born 1963), Austrian violist
• Victor Wolfgang von Hagen (1908–1985), American explorer

W

• Walter Hagen (1892–1969), American Golfer
• Walter Hagen (aviator) (1897–1963), German Luftwaffe Stuka pilot
• William W. Hagen (born 1942), Professor of History at the University of California-Davis

Y

• Yngvar Hagen (1909 – 1993), Norwegian zoologist

See also

• Hagens, a surname
• Hagan (surname)
• Van der Hagen, a surname
• Von Hagen, a surname