William James Paul (July 9, 1854 – September 1, 1929) was a Canadian politician who served in the Legislative Assembly of Ontario, 1905–1911, and in the House of Commons, 1911–1921.
[2] He began his political career in the Sheffield township council where he served as reeve or commissioner for approximately ten years.
He was elected to the House of Commons for the riding of Lennox and Addington on November 15, 1911, to serve in the Conservative Caucus.
He continued on as a Conservative MP until the Conscription Crisis of 1917, when he joined with the newly formed Unionist Party.
He was elected to serve in the Unionist Caucus on March 18, 1918, and finished his final term in the House of Commons on October 4, 1921.