John Thomas Finnie (September 14, 1847 – February 10, 1925) was a Canadian physician and politician. Born in Peterhead, Scotland, Finnie was educated there and at the High School of Montreal, then at McGill College. He qualified as a doctor and was admitted to the Royal College of Surgeons of Edinburgh. He married Amelia Ann Healy, a daughter of Christopher Healy. He died in Montreal in 1925.