John Clark (1835 – July 27, 1896) was a Scottish-born farmer and political figure in Ontario, Canada.
He was elected to represent Grey North in the House of Commons of Canada in 1896 as a Liberal, but died before the opening of the first session.
Clark married Jane Menzies.
Clark ran unsuccessfully for the Grey East seat in the House of Commons in 1891.
He died of typhoid fever and peritonitis in 1896.