Dositheus (; , Dōsítheos) is a Greek masculine given name, and it may refer to:

• Dositheos (Samaritan) (fl. 1st century), Gnostic

• Dositheus Magister (fl. 4th century), Roman grammarian and jurist

• Dositheus of Gaza (fl. 6th century), monk and saint

• Dositheus of Constantinople (died after 1191), or Dositheus I of Jerusalem, Greek Orthodox Patriarch

• Dositheos II of Jerusalem (1641–1707), Greek Orthodox Patriarch of Jerusalem 1669–1707

• Dositheus of Tbilisi (died 1795), Georgian Orthodox archbishop

• Dositheus (Ivanchenko) (1884–1984), bishop of the Russian Orthodox Church, bishop of Brooklyn

See also

• Dositej

• Dosifey

• Theodosius, a name with the reversed order of stems