William James Roche

William James Roche, PC (30 November 1859 – 30 September 1937) was Canadian politician and Conservative Member of Parliament for the Manitoba riding of Marquette in the Canadian House of Commons from 1896 to 1917.

Born in Clandeboye, Canada West, Roche was Secretary of State for External Affairs from 1911 to 1912. He also served as:


 * Minister of the Interior 1912–1917
 * Minister of Mines 1912–1913
 * Superintendent-General of Indian Affairs 1912–1917

Before politics, Roche was a physician.

He died in 1937.