Henry Renaud Turner Brandreth OGS (1914–1984) was an author, ecumenist and priest of the Church of England.
Brandreth spent much of his life researching a group of individuals commonly referred to as episcopi vagantes or wandering bishops.
He also authored several other publications, including Celibacy and Marriage: A Study in Clerical Vocation, 1944; Unity and Reunion: A Bibliography, 1945 and 1948; The Ecumenical Ideals of the Oxford Movement, 1947; Anglicanism in France: A Brief Account of St. George's Paris, 1949; Dr. Lee of Lambeth: A Chapter in Parenthesis in the History of the Oxford Movement, 1951; An Outline Guide to the Study of Eastern Christendom, 1951; and Huysmans, 1963.
His funeral, attended by many renowned Anglican, Roman Catholic and Orthodox scholars, was held at St Silas' Church, Pentonville.
His ashes were later interred in the Brandreth family vault beneath the high altar of All Saints' Church, Houghton Regis, Bedfordshire.