Patriarch Peter may refer to:
Patriarch Peter I of Alexandria, Greek Patriarch of Alexandria in 300–311 Patriarch Peter II of Alexandria, Greek Patriarch of Alexandria in 373–380 Patriarch Peter III of Alexandria, Greek Patriarch of Alexandria in 477 and 482–490 Patriarch Peter IV of Alexandria, Greek Patriarch of Alexandria in 642–651 Peter of Constantinople, Patriarch of Constantinople in 654–666 Patriarch Peter V of Alexandria, Greek Patriarch of Alexandria between the 7th and 8th centuries Patriarch Peter VI of Alexandria, Greek Patriarch of Alexandria between the 7th and 8th centuries Patriarch Peter VII of Alexandria, Greek Patriarch of Alexandria and all Africa in 1997–2004