Maria Antonia of Austria (Maria Antonia Josepha Benedicta Rosalia Petronella; 18 January 1669 – 24 December 1692) was an Electress of Bavaria by marriage to Maximilian II Emanuel, Elector of Bavaria.
She was the eldest daughter and only surviving child of Holy Roman Emperor Leopold I and his wife Margaret Theresa of Spain.
She was the heir to the Spanish throne after her maternal uncle Charles II of Spain from 1673 until her death.