Juan de Ortega may refer to: Juan de Ortega (hermit) (1080–1163), Spanish priest and hermit , bishop from 1479 to 1485 Juan de Ortega (bishop of Almería), bishop from 1492 to 1515 Juan de Ortega (bishop of Chiapas), bishop from 1539 to 1540 Juan de Ortega (mathematician), 16th-century Spanish mathematician

See also San Juan de Ortega, a former monastery, now a stopping place on the Camino de Santiago in Spain