Franciszek Koprowski (11 October 1895 – 2 June 1967) was a Polish military officer and modern pentathlete. He competed at the 1928 Summer Olympics. Koprowski enlisted to the Polish Army in 1919, and fought in the infantry regiment in the Polish-Soviet War on the Lithuanian front. After the war, he remained in the military as a professional soldier, eventually becoming a physical training instructor at the Cavalry Training Center in Grudziądz. Since May 1939 he worked at the General Staff of the Polish Armed Forces. After the outbreak of World War II, he initially fought in the Polish Armed For