Krupa is a surname of Slavic origin, meaning "barley", usually found in Polish, Slovak, and eastern German regions.Krupa from the Dictionary of American Family Names, Oxford University Press, p.358 Notable people with the surname include:

Adam Krupa (born 1952), Polish footballer Aleksander (Olek) Krupa (born 1947), Polish film and television actor Alfred Krupa Sr. (1915–1989), Silesia born painter, inventor and sportsman Dawid Krupa (born 1980), Polish cyclist Emil Krupa-Krupinsky (1872–1924), German portrait painter, genre painter and graphic artist Gene Krupa (1909–1973), Polish-American jazz drummer, bandleader and composer Jacek Krupa (born 1955), Polish politician Jakub Krupa (born 1985), Czech handball player Jeroen Krupa (born 2003), German footballer Joanna Krupa (born 1979), Polish-American model and actress Joe Krupa (1933–2011), American football player Joan Krupa, American educator, administrator, and member of the Illinois House of Representatives Killi Krupa Rani (born 1965), member of the Indian Parliament Krystyna Krupa (born 1939), Polish Olympic volleyball player Monika Krupa (born 1977), Poland chess Woman Grandmaster Paweł Krupa (born 1989), Polish handball player S. E. Krupa Rao (1939–1993), Indian pastor of the Convention of Baptist Churches of Northern Circars Stefania Krupa (1909–1981), Polish Olympic gymnast Tomáš Krupa (born 1972), Czech tennis player and coach Urszula Krupa (born 1949), Polish politician Władysław Krupa (1899–1969), Polish footballer

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