William McKay Wright (November 12, 1840 – December 17, 1882) was a lawyer and political figure in Quebec, Canada.

He represented Pontiac in the House of Commons of Canada as a Liberal-Conservative member from 1872 to 1878.

In 1864, he married Mary, the daughter of senator James Skead.

He was a lieutenant in the local militia and served during the Fenian raids.

This article about a Quebec Member of Parliament from the Conservative Party of Canada (1867–1942) is a stub.