Constanza Manuel
| Constance Manuel of Villena | |
|---|---|
| Effigy of Constance Manuel in a 1645 Genealogy of the Kings of Portugal (National Library of Portugal) | |
| Queen consort of Castile and León | |
| Tenure | 1325–1327 | 
| Born | c. 1318 Castillo de Garcimuñoz | 
| Died | 27 January 1349 (aged 30–31) Santarém, Portugal | 
| Burial | Santarém, Portugal | 
| Spouses | Alfonso XI of Castile (m. 1325–1327) Peter I of Portugal (m. 1336) | 
| Issue among others | Maria, Marchioness of Tortosa Ferdinand I, King of Portugal | 
| House | Castilian House of Ivrea | 
| Father | Juan Manuel, Prince of Villena | 
| Mother | Constance of Aragon, Princess of Villena | 
Constanza Manuel of Villena (c. 1318 – 27 January 1349), was a Castilian noblewoman who by her two marriages was Queen consort of Castile and León and Infanta of Portugal.