Dorner is a surname. Notable people with the surname include:
August Dorner (1846–1920), German theologian and son of Isaak August Dorner
Christopher Dorner (1979–2013), former Los Angeles police officer suspected in the 2013 Southern California shootings
Dalia Dorner (born 1934), Israeli supreme court judge
Dietrich Dörner (born 1938), professor for General and Theoretical Psychology at the Institute of Theoretical Psychology at the Otto-Friedrich University in Bamberg, Germany
Günter Dörner (born 1929), German endocrinologist and author of Hormones and Brain Differentiation
Hermann Dorner (1882–1963), German pioneer of aviation
Isaak August Dorner (1809–1884), German Lutheran Church Leader