Admiral Hayes may refer to:
John B. Hayes (1924–2001), U.S. Coast Guard admiral John Daniel Hayes (1902–1991), U.S. Navy rear admiral John Hayes (Royal Navy officer, died 1838) (1767 or 1775–1838), British Royal Navy rear admiral John Osler Chattock Hayes (1913–1998), British Royal Navy vice admiral
See also Arthur Hayes-Sadler (1865–1952), British Royal Navy admiral Ronald J. Hays (1928–2021), U.S. Navy admiral Lord John Hay (Royal Navy officer, born 1793) (1793–1851), British Royal Navy rear admiral Lord John Hay (Royal Navy officer, born 1827) (1827–1916), British Royal Navy admiral