Thanos is a masculine given name, often a short form (hypocorism) of Athanasios, and a surname. It may refer to:
People:
Athanasios Thanos Kalliris (born 1962), Greek singer
Thanos Leivaditis (1934–2005), Greek actor and screenwriter
Athanasios Thanos Mikroutsikos (born 1947), Greek composer and former politician
Thanos Papalexis (born 1972), British businessman and convicted murderer
Athanasios Thanos Petrelis (born 1975), Greek singer
Athanasios Petsos (born 1991), Greek footballer
Athanasios Thanos Plevris (born 1977), Greek politician
George Spiro Thanos (born 1952), American martial artist
Konstantinos Thanos (born 1973), Greek wrestler who participated in the 2000 Summer Olympics
Fictional characters:
Thanos, a Marvel Comics villain
Thanos, a major character in the French-language comic book series Lanfeust of Troy
