Lehner is a surname. It derives from the Middle High German verb lehen "to hold land as a feudal tenant", and was once used to indicate a person's status as a land-holder.
Persons with this surname include:
Christine Lehner (born 1952), American novelist and short story writer
Ernst Lehner (1912–1986), German footballer
Eugene Lehner (1906–1997), Hungarian violist and music educator
Gerald Lehner (born 1963), Austrian journalist and author
Gerald Lehner (born 1968), Austrian football referee
Helmuth Lehner (born 1968), Austrian metal musician
Hugo Lehner (1902–1952), Swiss alpine guide and skier
Joseph Lehner (1912–2013), American mathematician
Mark Lehner, American archaeologist
Otto Lehner (1898–1977), Swiss cyclist
Paul Lehner (1920–1967), American baseball outfielder
Peggy Lehner, American politician (Republican Party)
Peter Lehner (born 1958), American lawyer and environmentalist
Robin Lehner (born 1991), Swedish ice hockey goaltender
Stefan Lehner (born 1957), Swiss designer
Wilhelm Lehner (1914–2012), German military officer