Catholicos Moses III (also Movses III) of Tatev was the Catholicos of the Armenian Apostolic Church between 1629 and 1632.

He was a pioneer of the reform movement within the church and his work was carried on by his successors. He also obtained protection from the Shah of Persia against local Muslim chieftains.

Preceded by
David IV
Catholicos of the Holy See of St. Echmiadzin and All Armenians
1629–1632
Succeeded by
Philip

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