Thomas McKay (disambiguation)
Thomas McKay (1792–1855) was a Scottish-born Canadian businessman and co-founder of Ottawa, Ontario.
Thomas McKay may also refer to:
- Thomas McKay (fur trader) (1796–1849), Canadian fur trader and early settler of Oregon
- Thomas McKay (Canadian politician) (1839–1912), Canadian member of Parliament and senator
- Thomas E. McKay (1875–1958), Utah politician and leader in The Church of Jesus Christ of Latter-day Saints
- Thomas McKay (N.W.T. politician) (1849–1924), Canadian Anglo-Métis politician and first mayor of Prince Albert, Saskatchewan
- Thomas McKay (gunner) (died 2005), known as "Tam the Gun", gunner at Edinburgh Castle's One O'Clock Gun
- Thomas J. McKay, professor of philosophy at Syracuse University, New York
See also
- Thomas Mackay (1849–1912), British wine merchant