| Palace of Villena | |
| Native Name: | Palacio de Villena |
| Native Language: | Spanish |
| Coordinates: | 40.3005°N -4.4444°W |
| Location: | Cadalso de los Vidrios, Spain |
| Designation1: | Spain |
| Designation1 Offname: | Palacio de Villena |
| Designation1 Type: | Non-movable |
| Designation1 Criteria: | Monument |
| Designation1 Date: | 1931 |
| Designation1 Number: | RI-51-0000726 |
The Palace of Villena (Spanish: Palacio de Villena) is a palace located in Cadalso de los Vidrios, Spain. It was built by Álvaro de Luna, Duke of Trujillo.
The building and the gardens are separately listed as Bienes de Interés Cultural (Spain's national heritage listing).The building is listed as a monumento and has been protected since 1931, while the gardens are listed as a jardín histórico and have been protected since the 1970s.