Häfner is a German surname. Notable people with the surname include:
Georg Häfner (1900–1942), German priest and Nazi victim Gerald Häfner (born 1956), German politician Ilse Häfner-Mode (1902–1973), German-Jewish artist Kai Häfner (born 1989), German handball player Ludwig Häfner (1921–1942), German fighter pilot Reinhard Häfner (1952–2016), German soccer player Thomas Häfner (1928–1985), German painter Walter Häfner (born 1944), German pair skater