Santino "Sonny" Corleone is a fictional character in Mario Puzo's 1969 novel The Godfather and its 1972 film adaptation.

The Godfather is a crime novel by American author Mario Puzo. Originally published in 1969 by G. P. Putnam's Sons, the novel details the story of a fictional Mafia family in New York City, headed by Vito Corleone, the Godfather. The novel covers the years 1945 to 1955 and includes the back story of Vito Corleone from early childhood to adulthood.