Joseph Wesley St. John (July 17, 1854[1] – April 7, 1907) was speaker of the Legislature of Ontario from 1905 to 1907 and served as Conservative MLA for York West from 1894 to 1898 and from 1902 to 1907.

[2] He was born in Brock Township, Canada West in 1854, the son of James St. John, and educated at Victoria University in Cobourg.

He studied law, was called to the bar in 1894 and set up practice in Toronto, Ontario.

[3] St. John also served in the Senate for the University of Toronto.

This article about an Ontario Progressive Conservative Party MPP is a stub.