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 Wiesbaden-Biebrich.

She became queen of Sweden on May 12, 1873.