Henry or Harry Cook may refer to:

• Henry Caldwell Cook (1886–1939), British educator
• Henry Francis Cook (1855–?), American manufacturer and financier
• Henry Lucas Cook (died 1928), Archdeacon of Craven, 1913–1928
• Harry Cook (actor) (born 1991), Australian actor, writer and LGBTQ activist
• Henry Cook (aviator), early British aviator and Royal Artillery officer
• Henry Cook (footballer) (1893–1917), English footballer
• Harry Cook (footballer) (1914–1987), Scottish footballer
• Harry Cook (martial artist) (Henry Wilson Cook, born 1949), British martial artist, teacher, and author

• Harold Cook (disambiguation)
• Henry Cooke (disambiguation)