Eugene I was a 7th-century Roman priest who served as pope from 654 until his death in 657. Born in Rome to Rufinianus, he rose to the papacy following the removal of his predecessor, Martin I, during the Monothelitism controversy. During his brief reign, he attempted to navigate the theological tensions of the era by sending legates to Constantinople and declining to respond to an ambiguous letter from Patriarch Peter. He is recognized as a saint in several Christian traditions.