Isabella Doria

Isabella Doria (c. 1290–1353) was a Genoese noblewoman, daughter of Bernabò Doria and Eleonora Fieschi, and the second wife of Manfred IV, Marquess of Saluzzo, whom she married in 1307. She bore him four children, including Manfred V, Boniface and Theodore.

Under her influence Manfred granted most of his lands to her son Manfred in 1321 and disinherited his eldest son Frederick in 1323, provoking a civil war that ended with a treaty of 1332 confirming Frederick in Saluzzo. She died in 1353.