Leo Petrović (28 February 1883 – 14 February 1945) was a Herzegovinian Croat Franciscan and historian. Petrović, a native of Klobuk, Ljubuški, entered the Franciscan Province of Herzegovina in 1900, and was ordained a priest in 1905. He held various monastic and ecclesiastical positions, including being a general vicar of the Diocese of Mostar-Duvno in 1943 and a Provincial of the Franciscan Province of Herzegovina from 1943 until 1945, when he was murdered by the communist Yugoslav Partisans. During World War II, Petrović helped Serbs, Jews and political dissidents, including the Yugoslav Partisans.