Augusta of Saxe-Gotha-Altenburg (1719-1772) was the daughter of Frederick II, Duke of Saxe-Gotha-Altenburg and Magdalena Augusta of Anhalt-Zerbst. She became the Princess of Wales upon her marriage to Frederick, Princes of Wales, in 1736. Following her husband's death in 1751, she was referred to as "Princess Dowager of Wales."