Demetrius Martin Greschuk

Bishop Demetrius Martin Greschuk (; 7 November 1923 in Innisfree, Alberta, Canada – 8 July 1990 in Edmonton, Canada) was a Canadian Ukrainian Greek Catholic hierarch. He served as the Titular Bishop of Nazianzus and Auxiliary Bishop of the Ukrainian Catholic Eparchy of Edmonton from 27 June 1974 until 28 April 1986 and as the second Eparchial Bishop of the Ukrainian Catholic Eparchy of Edmonton from 28 April 1986 until his death on 8 July 1990.

Life Bishop Greschuk was born in the family of ethnical Ukrainian Greek-Catholics in Canada. After the school education, he subsequently studied philosophy and theology in the St. Augustine Theological Seminary in Toronto.

On June 27, 1974, Fr. Greschuk was nominated by Pope Paul VI and on October 3, 1974 consecrated to the Episcopate as the Titular Bishop of Nazianzus and Auxiliary Bishop of Ukrainian Catholic Eparchy of Edmonton. The principal consecrator was Bishop Neil Savaryn. Bishop Greschuk died on July 8, 1990, at the age of 66.