An Italian surname, Caruana come from the Latin term ‘carusana’ which means the castor oil plant. A spelling variation for Caruana would include Carana. The city of London has the great population with the Caruana surname. Within the United States the Caruana surname is found mostly in New York. Famous: Fabiano Caruana (youngest chess master of Italy and United States), Gabriel Caruana (a ceramics artist), Lydia Caruana (an opera signer from Malta), Vinnie Caruana (a singer and songwriter) and Jonathan Caruana (professional footballer from Malta).