John V
John V may refer to:
- Patriarch John V of Alexandria or John the Merciful, Patriarch of Alexandria from 606 to 616
- John V of Constantinople, Patriarch from 669 to 675
- Pope John V, Pope from 685 to his death in 686
- John V of Jerusalem, Greek Orthodox Patriarch of Jerusalem in 706–735
- John V the Historian or Hovhannes Draskhanakerttsi, Catholicos of Armenia from 897 to 925
- John V of Gaeta
- John V of Naples, Duke from 1036 to 1042
- Pope John V of Alexandria, Coptic Pope from 1147 to 1166
- John V, Count of Soissons,
- John V, Margrave of Brandenburg-Salzwedel
- John V Palaiologos, Byzantine Emperor from 1341
- John V, Count of Sponheim-Starkenburg, German nobleman
- John V, Lord of Arkel
- John V, Duke of Brittany, Count of Montfort
- John V, Duke of Mecklenburg
- John V, Count of Hoya, nicknamed the Pugnacious or the Wild
- John V, Count of Armagnac
- John V, Duke of Saxe-Lauenburg
- John V, Count of Oldenburg
- John V, Prince of Anhalt-Zerbst, German prince of the House of Ascania and ruler of Anhalt-Dessau
- John V of Portugal, King of Portugal and the Algarves