St. Kyrion II was a Georgian religious figure and historian who served as the first Catholicos-Patriarch of All Georgia after the restoration of independence (autocephaly) of the Georgian Orthodox Church from the Russian Orthodox Church in 1917 until his assassination in 1918. He was canonized by the Georgian Holy Synod in 2002.

Catholicos-Patriarch has been the title of the heads of the Georgian Orthodox Church since 1010. The first Catholicos-Patriarch of All Georgia was Melkisedek I (1010–1033). In the 15th century the Georgian Orthodox Church was divided into the East and the West parts and accordingly they were ruled by the Catholicos-Patriarch of East Georgia and the Catholicos-Patriarch of West Georgia.