Annette Warren (born July 11, 1922) is an American vocalist and jazz stylist who dubbed the singing voices of such stars as Lucille Ball in Sorrowful Jones (1949) and Fancy Pants (1950), and Ava Gardner in the 1951 film version of Show Boat.

She co-starred as Mrs. Peachum in the off-Broadway revival of The Threepenny Opera with Jerry Orbach, Ed Asner and Beatrice Arthur and was also seen in the musical Livin' The Life with Alice Ghostley and Edward Villella.

[11] The following year, she auditioned to sing for Ava Gardner in MGM's remake of Show Boat (1951 film)[12] and won the job over such other applicants as Dinah Shore and Lee Wiley.

[21] She co-starred over a 20-year period with fellow "ghost singers" India Adams, Betty Wand[22] and Jo Ann Greer[23] in the musical revue Hollywood's Secret Singing Stars.

[24][25] In January 2016, Warren sang at the La Cicada Club in Los Angeles at a party held to celebrate the release of Lyn Stanley's album Interlude.