Treaty of Aranjuez

The Treaty of Aranjuez may refer to:


 * Treaty of Aranjuez (1752), which recognizes Austrian and Spanish interests in Italy
 * Treaty of Aranjuez (1777), by which France and Spain define their colonies in Santo Domingo
 * Treaty of Aranjuez (1779), by which Spain joins the American Revolutionary War against Great Britain
 * Treaty of Aranjuez (1780), by which Spain cedes territories to Morocco
 * Treaty of Aranjuez (1801), which confirms the Third Treaty of San Ildefonso in which Spain returned the colonial territory of Louisiana to France.