Princess Victoria Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg (German: Viktoria Adelheid Helene Luise Marie Friederike; 31 December 1885 – 3 October 1970) was the consort of Charles Edward, Duke of Saxe-Coburg and Gotha and maternal grandmother of Carl XVI of Sweden.

Princess Victoria Adelaide was born on 31 December 1885 at Grünholz Manor, Schleswig-Holstein, Prussia as the eldest daughter of Frederick Ferdinand, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and his wife Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg. Her father was the eldest son of Friedrich, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and a nephew of Christian IX of Denmark. One month before the birth of Victoria Adelaide, he had succeeded to the headship of the House of Schleswig-Holstein-Sonderburg-Glücksburg and the title of duke upon the death of his father on 27 November 1885.

On 11 October 1905, at Glücksburg Castle, Schleswig, she married Charles Edward, Duke of Saxe-Coburg and Gotha. Charles Edward was born HRH Prince Charles Edward, Duke of Albany and was the only son of Prince Leopold, Duke of Albany by his wife Princess Helena of Waldeck and a grandson of Queen Victoria. Five years before the marriage, he had succeeded to the duchy of Saxe-Coburg and Gotha upon the death of his uncle Alfred, Duke of Saxe-Coburg and Gotha in 1900. Upon her marriage, Victoria Adelheid assumed the title of Her Royal Highness The Duchess of Sachsen-Coburg und Gotha. She and Charles Edward had five children.

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