Tiberius Julius Rhescuporis VI (Greek: Τιβέριος Ἰούλιος Ῥησκούπορις Στ'; died 342) was the last ruler of the Bosporan Kingdom, a client realm of the Roman Empire. His royal title on coins is in Greek: ΒΑΣΙΛΕΩΣ ΡΗΣΚΟΥΠΟΡΙΔΟΣ or of King Rhescuporis. He ruled from 303 until his death in 342, and was a contemporary to the Tetrarchy and the Constantinian dynasty in Rome. Little is known of his life and reign.