John XIV of Constantinople

John XIV of Constantinople
Ecumenical Patriarch of Constantinople
Seal of John XIV of Constantinople
ChurchChurch of Constantinople
In officeFebruary 1334 –
2 February 1347
PredecessorIsaias of Constantinople
SuccessorIsidore I of Constantinople
Personal details
Born
John Kalekas

c.1282
Died29 December 1347 (aged 65)
Constantinople
DenominationEastern Orthodoxy

John XIV of Constantinople, surnamed Kalekas (Greek: Ἰωάννης Καλέκας; c.1282 – 29 December 1347), was the Ecumenical Patriarch of Constantinople from 1334 to 1347. He was an anti-hesychast and opponent of Gregory Palamas. He was an active participant in the Byzantine civil war of 1341–1347 as a member of the regency for Emperor John V Palaiologos, against Emperor John VI Kantakouzenos.