Thomas Bayly

• Thomas Bayly (Maryland politician), Maryland congressman
• Thomas Monteagle Bayly, Virginia congressman
• Thomas H. Bayly, Virginia congressman and son of Thomas M. Bayly
• Thomas Haynes Bayly, English poet and songwriter
• Thomas Bayly (bishop), Anglican bishop in Ireland
• Thomas Bayly or Thomas Bailey (priest), religious controversialist
• Thomas Bayly or Thomas Baily, Master of Clare Hall and Catholic priest