Joannicius

Joannicius, also Ioannikios (Ιωαννίκιος), Joanikije (Јоаникије), Ioannikiy (Иоанникий), Anikiy (Аникий), Ioannykiy (Іоанникій), Onykiy (Оникій), may refer to:


 * Joannicius the Great, 8th-century Byzantine Christian saint
 * Joannicius of Ochrid, Archbishop of Ohrid (13th century)
 * Joanikije I, Archbishop of the Serbian Orthodox Church 1272–1276
 * Joanikije II, first Serbian Patriarch, Wonderworker, reigned 1346-1354
 * Joanikije II, Metropolitan of Montenegro, since 2021
 * Joannicius of Devič, died 1430
 * Patriarch Joannicius I of Constantinople, reigned 1524–1525
 * Patriarch Joannicius II of Constantinople, reigned four times in 1646–1656
 * Patriarch Joannicius III of Constantinople, reigned 1761–1763; Patriarch of the Serbs 1739–1746
 * Patriarch Joannicius of Alexandria, Greek Patriarch of Alexandria 1645–1657
 * Joannicius, Metropolitan of Moscow, reigned 1882-1891
 * Joanikije Lipovac, Metropolitan of Montenegro, died 1945