Jason Jennings
| Jersey No. | 32 |
| DOB | 17 July 1978 |
| Place of Birth | Dallas, Texas |
| National Team | United States |
| Pro Career | August 23, 2001 for the Colorado Rockies |
| Specialization | Pitcher |
| Clubs | Colorado Rockies (2001–2006),Houston Astros (2007),Texas Rangers (2008–2009) |
| Bats | Left |
| Throws | Right |
Jason Ryan Jennings is an American retired professional baseball pitcher. He pitched in Major League Baseball with the Colorado Rockies (2001-2006), Houston Astros (2007) and Texas Rangers (2008-2009). He officially retired in June 2012.