Gregory of Narek (c. 950-1003/1011) was an Armenian mystical and lyrical poet, abbot, and theologian. He is venerated as a saint in the Armenian Apostolic and Catholic Churches and was declared a Doctor of the Church by Pope Francis in 2015 and added to the General Roman Calendar in 2021 as an Optional Memorial. He is best known for his Book of Lamentations, a major work of mystical literature.