| John Barnes Wells | |
| Birth Date: | 17 October 1880 |
| Birth Place: | Ashley, Pennsylvania |
| Death Place: | Roxbury, New York |
| Nationality: | American |
| Occupation: | Composer, singer |
John Barnes "Jack" Wells (October 17, 1880 – August 8, 1935), was an American composer and singer. He sang as a tenor. He was once described as "one of the best known concert singers in New York."[1] He was a popular singer and was featured on many 78-rpm recordings released in the early 1900s.[2] He starred in the 1903 musical theater production of The Wizard of Oz.[2] One of his last performances was in Uncle Tom's Cabin (1933).[2] He also used the pseudonym William Barnes and composed music under the name Jack Wells.[3]