| Position: | Cornerback |
| Number: | 27, 38 |
| Birth Date: | 6 June 1972 |
| Birth Place: | St. Louis, Missouri |
| Height Ft: | 5 |
| Height In: | 10 |
| Weight Lbs: | 175 |
| High School: | Berkeley |
| College: | Southeast Missouri State |
| Undraftedyear: | 1996 |
| Teams: |
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Marquis Roshe Walker (born July 6, 1972) is a former an American football cornerback. He was signed as an undrafted free agent by the St. Louis Rams in 1996. He played college football at Southeast Missouri State University.
Walker also played for the Washington Redskins, Oakland Raiders and Detroit Lions. His brother is Darnell Walker.