Katherine Witchie Riggs (March 4, 1884 – April 19, 1967)[1] was an American dancer, singer, actress, writer, and vaudeville performer.

[7] Her Broadway credits included appearances in The Enchantress (1911–1912),[8] All Aboard (1913), The Princess Pat (1915–1916, an operetta by Victor Herbert),[9] The Passing Show of 1919 (1919–1920), Cinders (1923),[10] The Grab Bag (1924–1925),[11][12] Nic Nax of 1926 (1926),[13] Oh, Ernest!

[14] She and her husband also performed as Riggs and Witchie on vaudeville bills[15][16] and on the London stage.

[17][18] "This act should be a good closer in the family houses," noted a Billboard report in 1928.

[19] Witchie wrote two one-act musical plays, The Garden[20] and The Gipsy, and a screenplay, The Royal Waltz.