Juan Carvajal may refer to:

Juan de Carvajal (cardinal) (c. 1400–1469), Spanish cardinal Juan Carvajal (footballer) (born 1986), Chilean footballer Juan de Carvajal (fl. 16th century), Spanish conquistador Juan Suárez Carvajal (1485–1584), Spanish Roman Catholic bishop of Lugo 1539–1561