Plato Tiburtinus

12th century) was a 12th-century Italian mathematician, astronomer and translator who lived in Barcelona from 1116 to 1138.

Plato of Tivoli translated the Arab astrologer Albohali's "Book of Birth" into Latin in 1136.

[2] He translated Claudius Ptolemy's Tetrabiblos from Arabic to Latin in 1138,[3] the astronomical works of al-Battani, Theodosius' Spherics and the Liber Embadorum by Abraham bar Chiia.

[4] He has worked together with the Jewish mathematician Savasorda (Abraham Bar Ḥiyya Ha-Nasi).

His manuscripts were widely circulated and were among others used by Albertus Magnus and Fibonacci.