Maximus, Metropolitan of Kiev
Maximus or Maximos (Russian: Максим) (died 6 December 1305) was a metropolitan bishop of the Ecumenical Patriarch of Constantinople and was consecrated in Constantinople as Metropolitan of Kiev and Vladimir (1283–1305).Maximos was of Greek origin. During the war between Tokhta, Khan of the Golden Horde, and Nogay and the Polovtsy, Maximus left Kiev in 1299 and transferred the metropolitan chair to Vladimir. Following that Patriarch Athanasius I of Constantinople established the Halych metropoly with a see in Halych, Halych-Volhynia.

Maximos is known for his ecclesiastic trips to the Golden Horde and mediation between the quarreling princes of the Northeastern Russia (e.g., Dmitry of Pereslavl and Andrey of Gorodets, sons of Alexander Nevsky). In 1301, Maximos attended a patriarchal council in Constantinople. He supported the Prince of Tver and Vladimir Mikhail Yaroslavich in his struggle with Prince of Moscow Yuri Danilovich for the title of Grand Duke.

He was canonised a saint in the Russian Orthodox Church, and his feast day is celebrated on December 6 (December 19, N.S.).