Thomas Babington Macaulay (1800–1859) was a British historian and politician.

Thomas or Tom Macaulay may also refer to:

Thomas Bassett Macaulay (1860–1942), Canadian actuary and philanthropist Tom Macaulay (1906–1979), British actor Thomas Babington Macaulay (Nigeria) (1826–1878), educationist, reverend, and father of Nigerian nationalist Herbert Macaulay

See also Thomas McAulay (disambiguation) Tom McCauley (died 1865), California Gold Rush criminal Tom McCauley (American football) (born 1947), American football defensive back