Leontius of Tsarevo was an Eastern Orthodox bishop born in Moscow in 1873. Originally baptized into the Lutheran Church as Leopold, he later converted to Orthodoxy, adopting the name Vladimir. Throughout his ecclesiastical career, he served in various roles, including auxiliary bishop of Yenotayevka and bishop of Petrovsk. His life ended in 1919 when he was arrested and executed by authorities in the Russian Empire following accusations of conspiracy.