Mary Stuart Harrison Smith (February 10, 1834 – December 8, 1917) was an American author, translator, and women's advocate. Her Virginia Cookery Book (1885) is one of the country's early modern cookbooks. In addition to other original works, she published over fifty translated compositions, primarily from the German to English. She was a descendant of the Harrison family of Virginia, and also authored numerous book reviews for various periodicals.