List of Famous people named Petrona

Petrona Carrizo de Gandulfo, better known as Doña Petrona, was an Argentine best-selling cookbook author, home economist, television chef and businesswoman who was famous for "her elaborate dishes, provincial accent, matronly figure, didactic tone, and bossy treatment of her assistant [Juana Bordoy], as well as her responsiveness to fans". Although recognized as "the most famous Argentine cook", she was quoted as saying in 1985: "I never wanted to be anything other than a [home economist]. No one, except my friends, can say that they had Doña Petrona in their kitchen at any time."

Petrona Eyle was an Argentine physician and feminist who campaigned for Latin American women's rights.