Maria Walliser (born 27 May 1963) is a Swiss former alpine skier.Together with her fellow Swiss Erika Hess, Michela Figini and Vreni Schneider she dominated the female alpine skiing during the 1980s. Among her successes, she won two overall World Cups (1986 and 1987), with a total of 25 individual victories.Walliser won also three World Championships titles in 1987 and 1989, as well as three Olympic medals at Calgary 1988 and Sarajevo 1984.