Thomas Chamberlain may refer to: Sir Thomas Chamberlain, 1st Baronet (died 1643), who supported the Royalist cause in the English Civil War Sir Thomas Chamberlain, 2nd Baronet (c. 1635–1682), who received a renewal of the baronetcy from the Lord Protector Oliver Cromwell Thomas Chamberlain (soldier) (1841–1896), lieutenant colonel in the U.S. army during the American Civil War Thomas Chrowder Chamberlin (1843–1928), U.S. geologist Thomas Chamberlain (MP for Appleby) (fl. 1397), MP for Appleby Thomas Chamberlain, a character in The Killer Angels
See also Tom Chamberlain (disambiguation) Thomas Chamberlayne (disambiguation) Chamberlain (surname)