The Palacio Real de Riofrío is a palace in the Spanish province of Segovia. Built on the orders of Isabella Farnese, wife of Philip V of Spain, the Italian-style building was constructed in 1752. After the death of Isabella it was never inhabited by any of the kings of Spain, remaining as a hunting pavillon.
| Spanish royal sites |  |
| Palaces: Palacio Real de Madrid | Zarzuela | El Escorial | El Pardo | Aranjuez | La Granja | Riofrío | Alcázares de Sevilla | La Almudena |
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| Royal monasteries: Descalzas Reales | La Encarnación | Sta. Clara de Tordesillas | Las Huelgas | Valle de los Caídos |
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| Sanctuaries under royal patronage: Panteón de Hombres Ilustres | San Pascual | Sta. Isabel | Colegio de Doncellas Nobles |
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