| John J. Mershon | |
| Birth Date: | 16 September 1908 |
| Birth Place: | Siloam Springs, Arkansas, U.S. |
| Death Place: | Alamogordo, New Mexico, U.S. |
| Office: | Member of the New Mexico House of Representatives |
| Term Start: | 1958 |
| Term End: | 1982 |
| Party: | Democratic[1] |
| Alma Mater: | Oklahoma Baptist University George Washington University |
John J. Mershon (September 16, 1908 – July 6, 2004) was an American politician. He served as a Democratic member of the New Mexico House of Representatives.
Mershon was born in Siloam Springs, Arkansas.[2] He attended Oklahoma Baptist University and George Washington University.[3]
In 1958, Mershon was elected to the New Mexico House of Representatives, serving until 1982.
Mershon died on July 6, 2004 in Alamogordo, New Mexico, at the age of 95.