Terrence Owen Buckle (24 August 1940 – 10 September 2020) was a Canadian Anglican bishop.
He was the Church Army Incumbent at the Church of the Resurrection, Holman (1966–1970); St George's Anglican Mission, Cambridge Bay (1970–1972); and St David's Anglican Mission, Fort Simpson (1972–1975).
He was Priest in charge at the Church of the Ascension, Inuvik (and Regional Dean of Lower Mackenzie from 1975 to 1982) then Archdeacon of Liard until 1988.
He was Rector of Holy Trinity, Yellowknife from 1988 to 1993 when he was elevated to the episcopate as Bishop Suffragan of the Arctic.
He continued to live and serve in Whitehorse, Yukon, as a retired bishop until his death on 10 September 2020.