Beatrice of Provence, countess regnant of Provence (b. 1234)
Beatrice of Provence (c. 1229 – 23 September 1267), was ruling Countess of Provence and Forcalquier from 1245 until her death, as well as Countess of Anjou and Maine, Queen of Sicily and Naples by marriage to Charles I of Naples.

She was the fourth and youngest daughter of Ramon Berenguer IV, Count of Provence and Forcalquier by his wife Beatrice, in turn daughter of Count Thomas I of Savoy and Margaret of Geneva.