Maria Isser (22 October 1929 in Matrei am Brenner – 25 February 2011 in Innsbruck) was an Austrian luger who competed during the early 1950s and early 1960s. She won five medals at the FIL World Luge Championships with two golds (Women's singles: 1957, 1960) and three silvers (Women's singles: 1955, 1959; Doubles: 1955).