Fantômas is a fictional character created by Marcel Allain and Pierre Souvestre.

Fantômas may also refer to:

Fantômas (1913 serial), directed by Louis Feuillade Fantômas (1920 serial), directed by Edward Sedgwick Fantômas (1932 film), directed by Pál Fejös Fantômas (1946 film), directed by Jean Sacha Fantômas (1964 film), directed by André Hunebelle Fantômas (2027 film), an upcoming French period thriller film Fantômas (band), an American heavy metal supergroup Fantômas (Fantômas album), 1999 Fantômas (Amiina album), 2016 Fantomas, a Brazilian dub name for the superhero Golden Bat

See also Fantomex, a Marvel Comics superhero