Terrence Thomas Prendergast SJ (born 19 February 1944) is a Canadian member of the Society of Jesus who is also a prelate of the Roman Catholic Church and the Archbishop Emeritus of Ottawa-Cornwall.

Prendergast was named the ninth Archbishop of Ottawa by Pope Benedict XVI on 14 May 2007[2] and was installed on 26 June 2007.

[3] Prendergast is a known supporter of the Tridentine Mass and has collaborated on numerous occasions with the traditionalist group the Priestly Fraternity of Saint Peter or FSSP.

[5] In 2017 Prendergast ordained 7 members of the society to the priesthood at the North American Martyrs Church in Lincoln, Nebraska.

On 30 November 2020, he was appointed apostolic administrator of Diocese of Hearst–Moosonee, after the resignation of its bishop, Robert Ovide Bourgon.

A collection of his essays was published as Living God's Word: Reflections on the Sunday Readings for Year A, B, C.[9] He has been a writer or editor for several journals, and lectured and given retreats across Canada, in the United States and Rome.