Robert John Maguire (born 14 September 1934) is an Australian Roman Catholic priest, community worker and media personality from South Melbourne.
From 1973 to 2012, Maguire was parish priest of Sts Peter and Paul's Church in South Melbourne.
Commonly known as "Father Bob", Maguire was appointed a Member of the Order of Australia in 1989 "for service to homeless youth through the Open Family Foundation".A 102-minute documentary, In Bob We Trust, about Maguire's life and retirement was released in October 2013.