William Mitchell (March 14, 1851 – May 10, 1926) was a Canadian politician.

Born in Durham Township, Canada West, the son of Thomas Mitchell and Margaret Patrick, both from the north of Ireland, Mitchell started working for a railway company in Maine.

He moved back to Durham where he worked in the lumber business.

He later moved to Drummondville, Quebec, where he also worked in the lumber business.

This article about a Quebec Member of the Canadian Senate is a stub.