The Casita del Príncipe (Spanish for 'Cottage of the Prince') is an eighteenth-century building located in San Lorenzo de El Escorial, Spain.

It was designed by the neoclassical architect Juan de Villanueva for the private use of the heir to the Spanish throne Charles, Prince of Asturias, and his wife Maria Luisa.

The building was designed without bedrooms, as its owners slept in the palace which had been built two centuries earlier for Philip II.

Reminiscent of the work of the English Wedgwood company, the plaques were made in Madrid in the 1790s by the Real Fábrica del Buen Retiro.

[citation needed] Guided tours of the ground floor are offered by the Spanish heritage organisation Patrimonio Nacional, and tickets can be obtained at the property.