Jahn

Jahn (Jähn) is a German surname. Notable people with this surname include the following:


 * Jahn Coleman (born 1993), English builder specialising in driveways
 * Constanze Jahn (born 1963), German chess player
 * David Jahn (born 1975), Czech burlesque impresario
 * Eduard Jahn (1871–1942), German mycologist and microbiologist
 * Erich Jahn (born 1907, date of death unknown), Hitler Youth leader
 * Friedrich Ludwig Jahn (1778–1852), German educator, founding figure of German Turner athletic movement
 * Gunnar Jahn (1883–1971), Norwegian politician and resistance member
 * Gunter Jahn (1910–1992), German U-boat commander
 * Hans Max Jahn (1853–1906), German physical chemist
 * Helmut Jahn (1940–2021), German-American architect
 * Hermann Arthur Jahn (1907–1979), British scientist
 * Jan Jahn (1739–1802), Czech painter and art historian
 * Jeff Jahn (born 1970), American artist and critic
 * Johann Jahn (1750–1816), German Orientalist
 * Kurt Jahn (1892–1966), German general
 * Marie-Luise Jahn (1918–2010), German physician
 * Martin Jahn (c. 1620 – c. 1682), German church musician, minister, hymnwriter
 * Martin Jahn (born 1970), Czech economist and politician
 * Joseph Michael Jahn (born 1943), American author and critic
 * Molly Jahn, American plant scientist and food security policy advisor
 * Otto Jahn (1813–1869), German archaeologist, philologist, and writer on art and music
 * Patrick Jahn (born 1983), German football player
 * Robert G. Jahn (1930–2017), American scientist, electrical engineer, and psychic investigator
 * Ryan David Jahn (born 1979), American novelist and screenwriter
 * Sigmund Jähn (1937–2019), German astronaut
 * Thomas Jahn (born 1965), German film and television director
 * Wilhelm Jahn (1835–1900), Austro-Hungarian orchestral conductor
 * Willie Jahn (1889–1973), German athlete, leader of the Wandervogel youth movement, folksong composer, publisher, World War II army officer