The Convent of Santa Isabel is a royal monastery in central Madrid, Spain. Belonging to the Augustine order of nuns founded by the wife of Philip III of Spain, Margaret of Austria, it is located near the Atocha Train Station. A school for girls there had been founded by Philip II. It was designed in the 18th century by Gómez de Mora.
Starting from April 1995 it has been a "bien de interés cultural" and monument under the administration of the Patrimonio Nacional.