Thomas or Tom May may refer to:
Politicians Thomas May (Royalist) (1604–1655), MP for Midhurst, 1640–1642 Sir Thomas May (MP for Chichester) (c.1645–1718), MP for Chichester 1689–1701 Thomas May (MP for Canterbury) (c. 1701–1781), MP for Canterbury, 1734–1741
Sports Thomas May (cricketer), English cricketer in the 1760s and 1770s Tom May (rugby union) (born 1979), rugby union player
Others Tom May (mycologist), mycologist Thomas May (1595–1650), English poet and dramatist Thomas Erskine May (1815–1886), English political scientist Thomas May (archaeologist) (1842–1931), English archaeologist