Show Boat
- annos singulos: 1951
- Patriam: United States of America
- genus: Music, Romance, Drama
- Studio: Metro-Goldwyn-Mayer
- keyword: grandparent grandchild relationship, musical, based on play or musical, interracial relationship, riverboat, reconciliation, showboat, miscegenation, paddlewheel boat
- Director: George Sidney
- cast: Kathryn Grayson, Ava Gardner, Howard Keel, Joe E. Brown, Marge Champion, Gower Champion