Yustyn Boiko

Yustyn Boiko (; secular name: Yurii Boiko, ; born 26 May 1977) is a Ukrainian religious figure, hieromonk-studite, writer, blogger. Doctor of Theology.

Biography Yustyn (Yurii) Boiko was born on 26 May 1977 in Dora, which is now part of the city of Yaremche, Ivano-Frankivsk Oblast.

In 1994, he entered the monastery of monks of the Studite Order of the UGCC, where in 1998 he took eternal vows to God. On 635 pages, Yustyn Boiko has published the most complete collection of Old Slavonic manuscripts (several documents are published for the first time) from the libraries of Ukraine, Greece, Russia, Italy, Croatia, Spain, the United States, and Poland, which are dedicated to Pope Clement IV. The international professors' committee gave the thesis the highest grade of "MAGNUM CUM LAUDE" with a recommendation to publish it in full.

Boiko was pastor of the Church of Saint Michael the Archangel in Lviv, administrator of the monastery of Saint Theodore Studite "Studion" (Castel Gandolfo, Italy), and prosecutor of the monasteries of the Studite Order at the Holy See. Organizer of the annual pilgrimage to the Univ Lavra.

In 2019, while processing documents in the Central State Historical Archive (Lviv), he found an unpublished will of Metropolitan Andrei Sheptytskyi.