Aschner is a surname. Notable people with the surname include:
Ilse Maria Aschner (1918–2012), Austrian journalist and Holocaust survivor Manfred Aschner (1901–1989), German-born Israeli microbiologist and entomologist Marilyn Aschner (born 1948), American tennis player Milivoj Ašner (1913–2011), Croatian police chief
See also Asner