The Metropolis of Kiev and all Rus' (Russian: Митрополит Киевский и всея Руси, romanized: Mitropolit Kiyevskiy i vseya Rusi; Ukrainian: Митрополит Київський та всієї Русі, romanized: Mytropolyt Kyivskyi ta vsiiei Rusi) was a metropolis of the Eastern Orthodox Church that was erected on the territory of Kievan Rus'. It existed between 988 AD and 1440s AD. The long lasting "tug of war" between bishops from the Great Duchy of Lithuania and Ruthenia and bishops of the Great Duchy of Moscow resulted in reorganization of the metropolis as the bishops from Moscow refused to recognize decisions of the Ecumenical Patriarch of Constantinople. Canonically, it was under the jurisdiction of the Ecumenical Patriarchate of Constantinople. The metropolitan seat (cathedra) was located in the city of Kiev until it was moved to Vladimir-na-Klyazme in 1299 and then Moscow in 1325.
The metropolis was later revived in the territory of the Polish–Lithuanian Commonwealth from 1620 AD to 1686 AD as an exarchate of the Ecumenical Patriarchate. Again, to reflect its exclusion from the Tsardom of Russia, this episcopal title was renamed the "Metropolis of Kiev, Galicia and all Rus'". The fate of the metropolis after that date is a matter of dispute: according to the Orthodox Church of Ukraine, the metropolis was uncanonically annexed or was in abeyance until it received the tomos of autocephaly[1][2][3] from the Ecumenical Patriarch; on the other hand, the Russian Orthodox Church (ROC) maintains that it was absorbed by the Patriarchate of Moscow and all Rus' and is currently an exarchate of the ROC that styles itself on the Ukrainian Orthodox Church (Moscow Patriarchate) (UOC-MP).