Theresa of Portugal
Teresa of Portugal may refer to:
- Theresa, Countess of Portugal, mother of Afonso Henriques, the first King of Portugal
- Theresa of Portugal, Countess of Flanders, daughter of Afonso Henriques and wife of Philip, Count of Flanders
- Theresa of Portugal, Queen of León, daughter of Sancho I of Portugal and wife of Alfonso IX of León
- Infanta Maria Teresa of Braganza, firstborn child of John VI of Portugal