| Jonathan Welsh | |
| Number: | 99 |
| Position: | Defensive end |
| Birth Date: | June 9, 1982 |
| Birth Place: | Houston, Texas, U.S. |
| Height Ft: | 6 |
| Weight Lbs: | 231 |
| Height In: | 4 |
| High School: | Booker T. Washington (TX) |
| College: | Wisconsin |
| Draftyear: | 2005 |
| Draftround: | 5 |
| Draftpick: | 148 |
| Pastteams: | |
| Statlabel1: | Games played |
| Statvalue1: | 6 |
| Statlabel2: | Total tackles |
| Statvalue2: | 4 |
| Pfr: | WelsJo20 |
Jonathan Welsh (born June 9, 1982) is a former American football defensive end in the National Football League (NFL). From 2005 to 2007, he played for the Indianapolis Colts. He attended the University of Wisconsin–Madison and was selected by the Colts in the fifth round of the 2005 NFL draft.[1]