Amalia Maria Frederica (German: Amalie Marie Friederike) was Princess of Schleswing-Holstein-Glücksburg-Sonderburg. She was the eldest daughter of the Grand Duke of Oldenburg, Paul Friedrich August and the Duchess Adheleid, of the House of Vasa, the Royal House of Sweden. In 1835, she married King Otto in Oldenburg, Bavaria and she lived in Greece as a queen for 27 years. She died from bronchitis in Bamberg, Bavaria on 20/2/1875, at the age of 57 years.