Francisco Castillo
Francisco Castillo is the name of the following people:
- Francisco del Castillo (architect) (1528–1586), Spanish architect
- Francisco del Castillo (Jesuit) (1615–1673), Chilean Jesuit
- Francisco Castillo (tennis player) , Colombian tennis player
- Francisco Castillo Fajardo, Marquis of Villadarias (1642–1716), Spanish general
- Francisco Castillo Nájera (1886–1950), Mexican diplomat and politician