Thomas Bayly may refer to:
Thomas Bayly (Maryland politician) (1775–1829), Maryland congressman Thomas Monteagle Bayly (1775–1834), Virginia congressman Thomas H. Bayly (1810–1856), Virginia congressman and son of Thomas M. Bayly Thomas Haynes Bayly (1797–1839), English poet and songwriter Thomas Bayly (bishop) (died 1670), Anglican bishop in Ireland Thomas Bayly or Thomas Bailey (priest) (died 1657), religious controversialist Thomas Bayly or Thomas Baily (died 1591), Master of Clare Hall and Catholic priest
See also Thomas Bayley (disambiguation) Thomas Bayly Howell (1767–1815), English lawyer and writer Thomas Bailey (disambiguation) Thomas Baillie (disambiguation)