Henry Bayly may refer to:

• Henry Paget, 1st Earl of Uxbridge (second creation) (1744–1812), also known as Henry Bayly, British peer
• Henry Bayly (British Army officer) (1769–1846)
• Henry Bayly (British Army officer, born 1790)
• Henry Bayly (MP for Malmesbury), MP for Malmesbury
• Henry Bayly (cricketer) (1850–1903), Australian cricketer

See also

• Henry Bailey (disambiguation)
• Henry Baillie (1803–1885), British politician
• Henry Bayley (1777–1844), English clergyman
• Henry Baley (died 1701), ship's captain for the Hudson's Bay Company
• Henry Bayle (1917–1991), French diplomat