Maria Śliwka (later Serkiz, later Pankowa) (born 7 December 1935 – died 30 March 1997) was a former female Polish volleyball player, a member of Poland women's national volleyball team in 1957–1964, a bronze medalist of the Olympic Games Tokyo 1964, a bronze medalist of the World Championship 1962 and medalist of the European Championship (silver in 1963, bronze in 1958).