The Archimandrite '''Justin Popović''' (in Cyrillic Serbian, Јустин Поповић) (1894-1979) was a [[theologian]], a champion, a writer, a critic of the pragmatic church life, a philosopher, and [[archimandrite]] of the [[Monastery]] Ćelije, near Valjevo. He was formally canonized a saint by the Holy Synod of the Serbian Orthodox Church on April 29, 2010.