Princess Sofia of Nassau, (Sophie in Sweden) (July 9, 1836 - December 30, 1913), was the daughter of George William Augustus Henry, Duke of Nassau-Weilburg and his wife Pauline Friederica Marie Princess of Württemberg.

She married King Oscar II of Sweden on June 6, 1857 at the castle in Biebrich.

She became queen of Sweden on May 12, 1873.