Hagedorn is a surname of German language origin, meaning "hawthorn". Notable people with the surname include: Bettina Hagedorn (born 1955), German politician Bob Hagedorn, US Democratic legislator from Colorado Brian Hagedorn, Wisconsin Judge Britt Hagedorn, German model and talk show host Edward Hagedorn (artist) (1902–1982), American artist Edward S. Hagedorn, mayor of the city Puerto Princesa in the Philippines Eric E. Hagedorn, American politician Erwin Hagedorn (1952–1972), German serial killer Friedrich Hagedorn, 19th-century German watercolorist Friedrich von Hagedorn, early 18th-century German poet Gregor Hagedorn (born 1965), German botanist Hans Christian Hagedorn, Danish biologist and pharmacologist with focus on insulin research Hermann Hagedorn (1882–1964), American author, poet and biographer Hermann Hagedorn (poet) (1884–1951), German poet Horace Hagedorn, American businessman and co-founder of the Miracle-Gro company Jessica Hagedorn, Filipino playwright, novelist, poet and musician living in New York Jim Hagedorn (1962–2022), American politician, member of the United States House of Representatives John Hagedorn, US associate professor of criminal justice Karl Hagedorn (1889–1969), German-born painter, naturalised British Karl Hagedorn (1922–2005), German-American painter Katherine Hagedorn (1961–2013), American academic Mary Hagedorn, US marine biologist Rolf Hagedorn, German physicist who spent most of his career at CERN in Geneva, Switzerland Tom Hagedorn (born 1943), US politician German-language surnames