Dona Massin (18 February 1917 – 26 May 2001), born Luciana Thomassin, was a choreographer in Hollywood during the 1930s and 1940s. She also worked as a movie extra, appearing in some 100 films. She filled both roles in the 1939 MGM film The Wizard of Oz. Massin also appears as one of the manicurists in the wash and brush up shop in the Emerald City; she has the Cowardly Lion as her client. Massin married and left movies after 1943 to be a parent and homemaker. Late in life, she became active in Oz fandom; she gave interviews and appeared in a documentary about the making of the MGM film.