Three ships of the Spanish Navy have been named Jorge Juan, for the Spanish naval officer and scientist Jorge Juan y Santacilia (1713–1773):
, a sloop commissioned in 1877, hulked in 1897, and sunk in 1898 during the Spanish–American War. a commissioned in 1937 and stricken in 1959. , a , formerly the , acquired by the Spanish Navy in 1960 and scrapped in 1988.