David Díaz may refer to:
David Díaz (boxer) (born 1976), American boxer David Díaz (basketball) (born 1964), Venezuelan basketball player David Díaz (footballer) (born 1991), Salvadoran football attacker David Díaz (illustrator) (born 1960), American illustrator
See also David Díaz Mangano (born 1992), commonly known as Bicho, Spanish football midfielder David Diaz-Infante (born 1964), American football player