| Jack Jennings | |
| Number: | 50, 70, 65 |
| Position: | Offensive tackle |
| Birth Date: | 23 February 1926 |
| Birth Place: | Columbus, Ohio, U.S. |
| Death Place: | Rocky River, Ohio, U.S. |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lbs: | 245 |
| High School: | North High School |
| College: | Ohio State |
| Draftyear: | 1950 |
| Draftround: | 2 |
| Draftpick: | 21 |
| Pastteams: | |
| Statlabel1: | Games played |
| Statvalue1: | 90 |
| Statlabel2: | Games started |
| Statvalue2: | 9 |
| Statlabel3: | Fumble recoveries |
| Statvalue3: | 2 |
| Pfr: | JennJa20 |
Jack Weldon Jennings (February 23, 1927June 11, 1993) was a professional American football player who played offensive lineman for eight seasons for the Chicago Cardinals.[1]