Hagedorn is a surname of German language origin, meaning "hawthorn". Notable people with the surname include:
Bob Hagedorn, US democratic legislator from Colorado
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
Friedrich Hagedorn, 19th-century German watercolorist
Friedrich von Hagedorn, early 18th-century German poet
Hans Christian Hagedorn, Danish biologist and pharmacologist with focus on insulin research
Hermann Hagedorn,US author, poet and biographer.
Horace Hagedorn, American businessman and co-founder of the Miracle-Gro company.
James Hagedorn, United States Air Force pilot and president of the company Scotts Miracle-Gro
Jessica Hagedorn, Filipino playwright, novelist, poet and musician living in New York
John Hagedorn, US associate professor of criminal justice
Karl Hagedorn, German-American painter
Katherine Hagedorn (1961–2013), American academic
Mary Hagedorn, US marine biologist
Rolf Hagedorn, German physicist at the CERN laboratory
Tom Hagedorn, US politician
Verena Hagedorn, German athlete
