| Birth Date: | 22 February 1926 |
| Birth Place: | Los Angeles, California, U.S. |
| Number: | 66, 88 |
| Position1: | End |
| Height Ft: | 6 |
| Height In: | 2 |
| Weight Lbs: | 219 |
| High School: | Los Angeles (CA) Mount Carmel |
| College: | Santa Clara |
| Nfldraftedyear: | 1950 |
| Nfldraftedround: | 13 |
| Nfldraftedpick: | 165 |
| Nfldraftedteam: | Chicago Cardinals |
| Playing Years1: | 1950–1951 |
| Playing Team1: | Chicago Cardinals |
| Playing Years2: | 1952–1953 |
| Playing Team2: | Washington Redskins |
| Nfl: | HEN524978 |
| Pfr: | HennJe20 |
| Databasefootball: | HENNEJER01 |
Jeremiah Joseph Hennessy (February 22, 1926 - November 3, 2000) was an American football end in the National Football League (NFL) for the Chicago Cardinals and the Washington Redskins. He played college football at Santa Clara University and was drafted in the thirteenth round of the 1950 NFL draft.