John Francis Dowling (December 3, 1851 – September 25, 1926) was an Ontario physician and political figure.
He was born in Appleton, Lanark County, Canada West in 1851, the son of Irish immigrants.
He studied at the University of Ottawa and McGill College where he obtained an MD CM degree in 1875.
In 1875, he married Elizabeth, the daughter of James Bonfield who had previously represented Renfrew South in the provincial assembly.
He was defeated in the general election held in 1886 by John Alfred McAndrew but then reelected in 1890.