Mary Ambree (fl. 1584) was an English captain, a participator in the liberation of the city of Ghent during the war against Spain. She is the subject of a ballad. In 1584 the Spanish captured the city of Ghent, and Captain Mary Ambree, along with several other Dutch and English volunteers, fought to liberate the city. Ambree eventually became the subject of an English ballad. A female French Legionnaire in the book Sowing Glory by P.C. Wren was referred to by the pseudonym of Mary Ambree in order to protect her identity. She became the subject of an English ballad.