Anna Bethell (1882 – 2 March 1969) was an English actress, singer and stage director. She is best known for her performances in the Gilbert and Sullivan operas with the D'Oyly Carte Opera Company. After playing other small mezzo-soprano parts, she played the role of Mrs. Partlett in The Sorcerer for many years. She also occasionally played some of the larger contralto roles. She later became stage director of the company from 1947 to 1949 and also directed the J. C. Williamson Gilbert and Sullivan Company. Bethell was married to fellow D'Oyly Carte member Sydney Granville.