Stanisław Kazimierz Gościniak (born 18 July 1944) is a Polish former volleyball player and coach, member of the Poland men's national volleyball team in 1965–1974, 1974 World Champion, silver medallist of the 1965 World Cup, bronze medallist of the 1967 European Championship, four–time Polish Champion. He also competed at the 1968 and 1972 Summer Olympics. Gościniak was inducted into the Volleyball Hall of Fame in 2005.