| Dedrick Harrington | |
| Position: | Linebacker |
| Birth Date: | 25 September 1983 |
| Birth Place: | Mexico, Missouri |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lbs: | 250 |
| High School: | Mexico (MO) |
| College: | Missouri |
| Undraftedyear: | 2007 |
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Dedrick Harrington (born September 25, 1983) is a former American football linebacker. He was signed by the Dallas Cowboys as an undrafted free agent in 2007. He played college football at Missouri.
Harrington has also been a member of the St. Louis Rams.