Hornung is a surname. Notable people with the surname include:
Anna Hornung (1922 – 2012) was a woman from Poland who rescued Jews during World War II Clarence P. Hornung (1899–1998), American graphic designer Dirk Hornung, German curler Erik Hornung (born 1933), German Egyptologist Ernest William Hornung (1866–1921), British author Joe Hornung (1857–1931), American baseball player Larry Hornung (1945–2001), Canadian ice hockey player Otto Hornung (1920–2013), philatelist, postal historian and member of the Czecho-Slovak Legion in Poland and Russia 1939–1945 Paul Hornung (1935–2020), American football player Pitt Hornung (1869–1940), British sugar cane planter
It was also a Frankish name for the month of February, introduced by Charlemagne; see .
See also Operation Hornung, a 1943 Nazi security campaign in Belarus Horning (surname) Hörning Shane Hornung, a member of the COM team (2019-Present) Aka Positive vibes cooker. Over time, he earned the status "The Resolver" (Shane The Resolver) as he advanced in his career.