| Hernán Fuentes | |
| Full Name: | José Hernán Fuentes Besoain Jr. |
| Birth Date: | 26 February 1918 |
| Birth Place: | Melipilla, Chile |
| Death Date: | [1] |
| Death Place: | Santiago, Chile |
| Sport: | Modern pentathlon |
| Show-Medals: | yes |
José Hernán Fuentes Besoain Jr. (26 February 1918 – 7 January 1999) was a Chilean modern pentathlete. He competed at the 1948 and 1952 Summer Olympics.[2]