- Emperor John
Emperor John (or Ioannes, Ioann, Ivan, et cetera), might refer to:
*
John I Tzimiskes ,Byzantine emperor
*John II Komnenos ,Byzantine emperor
*John III Doukas Vatatzes ,Byzantine emperor
*John IV Laskaris ,Byzantine emperor
*John V Palaiologos ,Byzantine emperor
*John VI Kantakouzenos ,Byzantine emperor
*John VII Palaiologos ,Byzantine emperor
*John VIII Palaiologos ,Byzantine emperor
*John of Brienne , Latin Emperor of Constantinople
*John I of Trebizond
*John II of Trebizond
*John III of Trebizond
*John IV of Trebizond
*Yohannes I of Ethiopia ,Emperor of Ethiopia
*Yohannes II of Ethiopia ,Emperor of Ethiopia
*Yohannes III of Ethiopia ,Emperor of Ethiopia
*Yohannes IV of Ethiopia ,Emperor of Ethiopia
*Ivan I of Russia , Ivan Danilovich Kalita; numbered with Tsars of Russia but not an emperor
*Ivan II of Russia , Ivan Ivanovich; numbered with Tsars of Russia but not an emperor
*Ivan III of Russia , Ivan Vasilevich; numbered with Tsars of Russia but not an emperor
*Ivan IV of Russia , Ivan Vasilevich, Ivan the Terrible, Tsar of Russia
*Ivan V of Russia , Ivan Alekseievich, Tsar of Russia
*Ivan VI of Russia , Ivan Antonovich, Emperor of Russia
*Ivan Vladislav of Bulgaria ,Emperor of Bulgaria
*Ivan Asen I ,Emperor of Bulgaria
*Ivan Asen II ,Emperor of Bulgaria
*Ivan Asen III ,Emperor of Bulgaria
*Ivan Stephen of Bulgaria ,Emperor of Bulgaria
*Ivan Alexander of Bulgaria ,Emperor of Bulgaria
*Ivan Shishman of Bulgaria ,Emperor of Bulgaria
*Ivan Sratsimir of Bulgaria ,Emperor of Bulgaria
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