| Palace of the Marchioness of Sonora | |
| Native Name: | Palacio de la Marquesa de Sonora |
| Native Language: | Spanish |
| Coordinates: | 40.4242°N -3.7075°W |
| Location: | Madrid, Spain |
| Designation1: | Spain |
| Designation1 Offname: | Palacio de la Marquesa de Sonora |
| Designation1 Type: | Non-movable |
| Designation1 Criteria: | Monument |
| Designation1 Date: | 1995 |
| Designation1 Number: | RI-51-0009109 |
The Palace of the Marchioness of Sonora (Spanish: Palacio de la Marquesa de Sonora) is a palace located in Madrid, Spain. It was declared Bien de Interés Cultural in 1995.