Gruening is a surname. Notable people with the surname include:
Clark Gruening (1943–2025), American attorney and politician Dorothy Smith Gruening (1888–1979), American social activist and pacifist, wife of Ernest Ernest Gruening (1887–1974), grandfather of Clark, American journalist and politician, governor of Alaska Territory 1939–1953, U.S. Senator from Alaska 1959–1969 Martha Gruening (1889–1937), American journalist, poet, suffragette, and civil rights activist
See also Ferdynand Grüning (c. 1885–1939 or later), Polish serial killer and child rapist Ilka Grüning (1876–1964), Austrian-Hungarian actress