Río San Juan

Río San Juan (Spanish for St. John's River) may refer to:

Rivers

 * San Juan River (Argentina)
 * Río Grande de San Juan in Bolivia and Argentina
 * San Juan River (Vancouver Island) in Canada
 * San Juan River (Colombia)
 * Río San Juan, Dominican Republic
 * San Juan River (Guatemala)
 * Río San Juan de Dios, Río San Juan (Querétaro), San Juan River (Tamaulipas) and San Juan River (Veracruz), in Mexico
 * San Juan River (Nicaragua)
 * Río San Juan (Perú)
 * San Juan River (Metro Manila) and San Juan River (Calamba), both in the Philippines
 * St. Johns River in Florida and San Juan River in Utah, both in the United States
 * San Juan River (Uruguay)
 * San Juan River (Venezuela) and Río San Juan (Nueva Esparta), both in Venezuela

Other

 * Río San Juan Municipality, Dominican Republic
 * Río San Juan Department and Río San Juan Wildlife Refuge in Nicaragua