Maclovia Ruiz Mailer (11 September 1910 – 31 December 2005) was a Mexican-American dancer in the 1930s with the San Francisco Ballet. She also had the lead role in a piece choreographed by George Balanchine for the 1936 production of Carmen at the Metropolitan Opera House. When she was 23, she gained entry to the San Francisco Ballet. She went on to perform with the Metropolitan Opera Company and Balanchine's American Ballet Company. She also danced in Samuel Goldwyn's 1938 movie musical extravaganza, The Goldwyn Follies. She became a naturalized U.S. citizen in 1945.