Peter V may refer to:
*
Patriarch Peter V of Alexandria (7thβ8th centuries)
*
Pope Peter V of Alexandria (ruled 1340β1348)
*
Peter V of Aragon (IV of Barcelona) (1429β1466), Constable of Portugal and Grand Master of the Order of Aviz
*
Peter V of Portugal (1837β1861), King of Portugal and the Algarves from 1853 to 1861
*
Peter V of Kongo, king of Kongo from 1859 to 1891
{{hndis, Peter 05