Maria Adelaide

Maria Adelaide can refer to:

Marie Adélaïde of Savoy, wife of Louis, Dauphin of France, Duke of Burgundy
Adelaide of Austria, queen consort of Sardinia
Infanta Maria Antonia of Portugal, daughter of king of Portugal
Infanta Maria Adelaide of Portugal, daughter of claimant to Portuguese throne
Maria Adelaide Aboim Inglez, Portuguese communist and opponent of the Estado Novo regime
Maria Adelaide Amaral, Portuguese Brazilian playwright, screenwriter and novelist
Maria Adelaide Lima Cruz, Portuguese painter and theatrical designer
Maria Adelaide Sneider, Italian mathematician