| Position: | Assistant head coach, defensive coordinator & defensive line coach |
| Current Team: | Santa Barbara City Vaqueros |
| Birth Date: | 15 July 1973 |
| Birth Place: | Goleta, California, U.S. |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lbs: | 325 |
| High School: | Cabrillo (Lompoc, California) |
| College: | Washington (1990–1993) North Carolina A&T (1994) |
| Undraftedyear: | 1995 |
| Pastteams: |
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| Pastcoaching: |
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| Statlabel1: | Games played |
| Statvalue1: | 63 |
| Statlabel2: | Games started |
| Statvalue2: | 6 |
| Statlabel3: | Fumble recoveries |
| Statvalue3: | 1 |
| Pfr: | WillDo23 |
Donald Kirk Willis (born July 15, 1973) is a former American football guard in the National Football League. He was signed by the Seattle Seahawks as an undrafted free agent in 1995. He played college football at North Carolina A&T and Washington. Willis was the head coach at his high school alma mater, Cabrillo High School, in Lompoc, California.[1] He also has coached track and field.[2]
Willis also played for the New Orleans Saints and Kansas City Chiefs.