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The Jester Named Don John of Austria
Spanish: El bufón llamado don Juan de Austria
Artist	Diego Velázquez
Year	1632–1633
Medium	Oil on canvas
Movement	Baroque
Dimensions	210 cm × 124.5 cm (83 in × 49.0 in)
Location	Museo del Prado, Madrid

The Jester Named Don John of Austria is a portrait by Velázquez, now in the Museo del Prado in Madrid. Its subject was a jester or bufón at the court of Philip IV of Spain from 1624 to 1654 who appeared in court comedies in front of important court figures. The subject's real name is unknown, but he came to be nicknamed after John of Austria, the son of Charles V, well known for his victory at Lepanto. He is shown dressed in a general's cloak and black doublet, is surrounded by abandoned helmets, armour and weapons, and with a fragment of a battle-scene of Lepanto in the background.

It was produced for display in the Torre de la Parada, a hunting lodge on the outskirts of Madrid in the Sierra de Guadarrama near El Pardo. Around 1635-40 this lodge was one of Philip IV's main architectural projects, since he was a great hunting fanatic who wanted somewhere to rest during the long time he spent on that pastime. Its other homes have been the Palacio del Buen Retiro (1701–1716), the Royal Palace of Madrid (1772–1816) and the Real Academia de Bellas Artes de San Fernando (1816–1827), before it finally moved to its current home at the Prado in 1827.

• List of works by Diego Velázquez

• Museo del Prado. Pintura española de los siglos XVI y XVII. Enrique Lafuente Ferrari. Aguilar S.A. 1964
• No. 72 in Manet/Velázquez: The French Taste for Spanish Painting, Gary Tinterow, Metropolitan Museum of Art, 2003, ISBN 1588390403, 9781588390400