Maria Śliwka (later Serkiz, later Pankowa) (7 December 1935 – 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).
Career as player
Her first medal she won bronze of European Championship 1958 held in Czechoslovakia. In 1962 she won bronze medal of World Championship, and one year later silver of European Championship 1963. In 1964 she took part in Olympic Games Tokyo 1964. She played in all five matches and Poland, including Śliwka, won bronze medal in the Olympic tournament. Śliwka played in national team 118 times.