Pope John XVII (Latin: Ioannes XVII; died 6 November 1003[1]), born John Sicco, was the bishop of Rome and nominal ruler of the Papal States for about seven months in 1003.
He was nominated to the papacy by John Crescentius, a Roman noble who held power in the city in opposition to Emperor Otto III.
[1] John XVII approved of a mission led by Bruno of Querfurt to Eastern Europe.
Bruno also requested John XVII to authorize his companion Benedict to evangelize among the Slavs.
[4] John died on 6 November 1003 and was buried in the Lateran Basilica between the two doors of the principal façade.