Hahn is a German surname. It is usually derived from the German word Hahn for a rooster (often as a nickname of a proud, belligerent person), from Hagen (Middle High German for a thorn bush) or the related word Hain for a grove; either directly or as an origin name from localities named after those entities."Hahn" at namensforschung.net (in German)

Notable people with the surname include:

Alfred Hahn (1890–1964), American architect André Hahn, German footballer André Hahn (born 1963), German politician Archie Hahn (athlete) (1880–1955), American sprinter Archie Hahn (actor) (born 1941), American actor Arthur A. Hahn (1886–1959), American businessman and politician August Hahn (1792–1863), German Protestant theologian Bernard Hahn (1860–1931), American politician Billy Hahn (1955–2023), American basketball coach Bob Hahn (1925–2009), American basketball player Carl Hugo Hahn (1818–1895), German missionary in Namibia Carl Wilhelm Hahn (1898–1982), German journalist and historian Carl Wilhelm Hahn (1786–1835), German zoologist Dave Hahn (born 1961), American climber David Hahn, American known as the "Radioactive Boy Scout" David Hahn (American politician), American politician from Nebraska David Hahn (cartoonist), American cartoonist Dirk Meinerts Hahn (1804–1860), German ship's captain Don Hahn, American film producer Edith Hahn Beer (1914–2009), Jewish Holocaust survivor Erich Hahn (1891–1917), German flying ace Erwin Hahn (1921–2016), American physicist, nuclear magnetic resonance Florian Hahn (born 1974), German politician Frank Hahn (1925–2013), Cambridge economist Hans Hahn (mathematician) (1879–1934), Austrian mathematician Hans "Assi" Hahn (1914–1982), German World War II fighter ace Hans Hahn (night fighter pilot) (1919–1941), German World War II night fighter pilot Hans von Hahn (1912–1957), German World War II fighter pilot Hermann Hahn (architect), (1873–1921) German architect Hilary Hahn (born 1979), American violinist J. Jerome Hahn (died 1938), American judge from Rhode Island James Hahn (born 1950), American politician from California James Hahn (golfer), American golfer Janice Hahn, American politician Jerri Ariel Farias Hahn, Brazilian footballer Jessica Hahn (born 1959), American model and actress Jody Margolin Hahn, American television director Joe Hahn (born 1977), American musician, DJ, director and visual artist Johannes Hahn (born 1957), Austrian politician Johannes Samuel Hahn (1805-1883), German Protestant missionary Johannes Theophilus Hahn (1842-190), merchant and linguist in South West Africa Jörg-Uwe Hahn (born 1956), German politician Joseph Yuspa Nördlinger Hahn (died 1637), German rabbi Kathryn Hahn (born 1973), American actress Kenneth Hahn (1920–1997), American politician Kimberly Hahn (born 1957), Catholic author and apologist Kurt Hahn (1886–1974), German teacher and education reformer Lloyd Hahn (1898–1983), American middle-distance runner Marjorie Hahn (born 1948), American mathematician and tennis player Martín Hahn (born 1964), Venezuelan telenovelas writer Nikki Hahn (born 2002), American actress Otto Hahn (1879–1968), German nuclear chemist, discoverer of nuclear fission, Nobel Prize winner, founder of the Max-Planck-Society, peace activist Otto Hahn (petrologist) (1828–1904), German petrologist Paul Daniel Hahn (1849-1919), South African educational chemical analyst Peter Robert Hahn (born 1977), American nonprofit executive, professor and pianist.♦https://www.wwana.com/home/4829434-peter-hahn/profile?skxiu=4829434 Philipp Matthäus Hahn (1739–1790), German priest and inventor Randy Hahn (born 1958), Canadian-American ice hockey announcer Reynaldo Hahn (1874–1947), Venezuelan-French composer Riley Hahn, MasterChef Junior contestant Rick Hahn (born 1971), American baseball executive Robert A. Hahn (born 1945), American medical anthropologist and epidemiologist Robert C. Hahn, American lawyer and politician Scott Hahn (born 1957), American Catholic writer and apologist Stephen Hahn (disambiguation) Stephen Hahn (art dealer) (1921–2011), American art dealer and collector Stephen Hahn (oncologist) (born 1960), American physician and FDA Commissioner Steven Hahn (born 1951), American academic historian Svenja Hahn (born 1989), German politician Walter (wrestler) (born 1987), Austrian wrestler William Hahn (1829–1887), German painter William John Hahn (1841–1902), American lawyer and politician Wolfgang Hahn (1911–1998), German mathematician

See also Han (Chinese surname) Han (Korean surname) Von Hahn

References