Stanisław Arnold (20 December 1895 in Dąbrowa Górnicza – 3 November 1973 in Warszawa) was a Polish historian, professor of the University of Warsaw, member of the Polish Academy of Sciences, chief of Marksistowskie Zrzeszenie Historyków (Marxist Association of Historians).[1]
He was the son of Jan, director of a mine, and Romana née Bojanowski. In 1920 he defended his PhD thesis Władztwo biskupie na grodzie wolborskim w wieku XIII under supervision of Marceli Handelsman. Later he became an employee of the Warsaw University, with which he was connected until retirement in 1966. From 1924 to 1928 he was working as a history teacher at Gimnazjum im. Stefana Batorego in Warsaw.
His students were Artur Eisenbach, Zofia Kamieńska, Antonina Keckowa, Witold Kula, Janina Leskiewiczowa, Władysław Pałucki, Stanisław Piekarczyk, Zbigniew Świtalski, Maria Turlejska.