| Jason Jefferson | |
| Number: | 99 |
| Position: | Defensive tackle |
| Birth Date: | 20 December 1981 |
| Birth Place: | Chicago, Illinois, U.S. |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lbs: | 295 |
| High School: | Chicago (IL) Leo |
| College: | Wisconsin |
| Draftyear: | 2005 |
| Draftround: | 6 |
| Draftpick: | 193 |
| Pastteams: | |
| Statlabel1: | Total tackles |
| Statvalue1: | 32 |
| Statlabel2: | Fumble recoveries |
| Statvalue2: | 1 |
| Pfr: | JeffJa21 |
Jason Jefferson (born December 20, 1981) is a former American football defensive tackle. He was selected by the New Orleans Saints in the sixth round of the 2005 NFL draft.[1] He played college football at Wisconsin.
Jefferson was also a member of the Chicago Bears, Philadelphia Eagles, Buffalo Bills and Atlanta Falcons.
Jason Jefferson is a graduate of Leo Catholic High School, located on the South Side of Chicago.[2]