Juan Castillo may refer to:
Sports Association football Juan de Dios Castillo (1951–2014), Mexican football forward and manager Juani (Juan José Castillo, born 1955), Spanish football midfielder Juan Castillo (footballer, born 1970), Chilean football forward Juan Castillo (soccer, born 1972), American soccer midfielder Juan Castillo (footballer, born 1978), Uruguayan football goalkeeper Juan José Castillo (footballer, born 1980), Guatemalan football forward Juan Castillo (footballer, born 2000), Dominican Republic football left-back Juan Castillo (footballer, born 2002), Colombian footballer Juan Diego Castillo (born 2003), Colombian footballer
Other sports Juan Castillo (American football) (born 1959), American football coach Juan Castillo (second baseman) (born 1962), Dominican baseball infielder Juan Carlos Castillo (1964–1993), Colombian cyclist José Castillo (runner) (Juan José Castillo, born 1968), Peruvian long-distance runner Juan Castillo (pitcher) (born 1970), Venezuelan baseball pitcher
Others Juan de Castillo (1470–1552), Portuguese architect Juan del Castillo (bishop) (died 1593), Spanish Roman Catholic bishop Juan del Castillo (painter) (c. 1590–c. 1657), Spanish Baroque painter Juan de Castillo (Jesuit) (1595–1628), Spanish Jesuit priest Juan Diego del Castillo (1744–1793), Spanish botanist Juan Castillo (Uruguayan politician) (born 1952), Uruguayan politician and trade unionist
See also Juan Castilla (disambiguation) John Castillo (disambiguation)