Fortner is a surname. Notable people with the surname include:
Ethel Fortner (1907–1987), American poet Jack Fortner, Member of the Arkansas House of Representatives Johann Fortner (1884–1947), German general Mike Fortner, American politician Nell Fortner (born 1959), American women's basketball coach Ron Fortner (1941–2003), American talk radio host and television news anchor Wolfgang Fortner (1907–1987), German classical composer and conductor
See also Fortner Mounds, Native American mounds in Fairfield County, Ohio, United States Anschütz 1827 Fortner, a rifle designed by Peter Fortner junior