John Arthur Baycroft (born 2 June 1933) is a Canadian Anglican bishop.
Baycroft was born in Redcar, North Yorkshire, was educated at Sir William Turner School, Redcar and Christ's College, Cambridge and ordained in 1956. He held incumbencies in Loughborough, Ontario, Ottawa and Perth, Ontario before becoming Dean of Ottawa in 1984. From 1986 to 1992, he was suffragan bishop of Ottawa and then its diocesan until 1999.