Margaret Booth (January 16, 1898 – October 28, 2002) was an American film editor.Born in Los Angeles, she started her Hollywood career as a 'patcher', editing films by D. W. Griffith, around 1915. Her brother was actor Elmer Booth. Later she worked for Louis B. Mayer when he was an independent film producer. When Mayer merged with others to form Metro-Goldwyn-Mayer in 1924, she worked as a director's assistant with that company.