Juan Díaz may refer to:
Fiction
The Life Work of Juan Diaz
short story by Ray Bradbury, published in September, 1963, Playboy magazine, and in Bradbury's 1964 anthology The Machineries of Joy (television) fourth episode in season ten of The Alfred Hitchcock Hour first broadcast on October 26, 1964, adapted from the short story
People
Juan Díaz Prendes (born 28 June 1977) is a Spanish retired footballer who played as a midfielder.
Juan Díaz (boxer) (born 1983), Mexican-American boxer
Juan Díaz (Chilean boxer) (born 1935), Chilean boxer
Juan Díaz (conquistador) (1480–1549), Spanish conquistador
Juan Díaz (first baseman) (born 1974), Cuban baseball player
Juan Díaz (friar) (died 1651), Salvadoran friar known for writing an early Salvadoran work Juan Díaz (shortstop) (born 1988), Dominican baseball shortstop Juan Díaz (taekwondo) (born 1981), Venezuelan taekwondo practitioner Juan Díaz Canales (born 1972), Spanish comics artist Juan Díaz Pardeiro (born 1976), Spanish actor in Aquí no hay quien viva Juan Díaz (footballer, born 1977) (born 1977), Spanish association football player Juan Díaz Sánchez (1948–2013), Spanish association football player Juan Díaz de Solís (1470–1516), Spanish navigator Juan Alberto Díaz (born 1985), Salvadoran footballer Juan Américo Díaz (1944–2013), Bolivian footballer Juan Antonio Díaz (born 1961), Argentine boxer, competed in 1988 Summer Olympics Juan David Díaz (born 1987), Colombian footballer Juan García Díaz (1940–2013), Spanish footballer Juan Ignacio Díaz (born 1998), Argentine footballer Juan Manuel Díaz (born 1987), Uruguayan football (soccer) player Juan Arias Díaz (birthdate unknown), Spanish explorer and prospector