Petar Gračanin (Serbian Cyrillic: Петар Грачанин; 22 June 1923 in Jagodina, Kingdom of Serbs, Croats and Slovenes – 27 June 2004 in Belgrade, Serbia and Montenegro) - Serbian military commander. In July 1941 he joined the Yugoslav Partisans. After the formation of the 2nd Proletarian Brigade, in March 1942, at first he was a member and later the commander of a battalion. He was promoted to his first military rank in 1943. In April 1944 he was wounded and transferred to Italy. In 1945, he became Chief of Staff in OZNA for Morava administrative center. A year later in 1946 he became commander of a tank brigade, Chief of Staff, deputy commander of an armored division and Chief of Staff of School center armored-mechanic units.