| J. Dallett Byers | |
| Occupation: | Jockey |
| Birth Date: | 20 January 1898 |
| Birth Place: | Sugartown, Pennsylvania |
| Death Place: | Augusta, Georgia |
| Honours: | National Museum of Racing and Hall of Fame (1967) |
J. Dallett Byers (January 20, 1898 – December 23, 1966) was an American jockey and Thoroughbred racehorse trainer.[1] He was inducted into the National Museum of Racing and Hall of Fame in 1967.[2]