| Bob Nelson | |
| Number: | 56, 66, 51 |
| Position: | Linebacker |
| Birth Date: | 30 June 1953 |
| Birth Place: | Stillwater, Minnesota, U.S. |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lbs: | 232 |
| High School: | Stillwater |
| College: | Nebraska |
| Draftyear: | 1975 |
| Draftround: | 2 |
| Draftpick: | 42 |
| Pastteams: |
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| Highlights: |
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| Statlabel1: | Sacks |
| Statvalue1: | 8.0 |
| Statlabel2: | Fumble recoveries |
| Statvalue2: | 2 |
| Statlabel3: | Interceptions |
| Statvalue3: | 1 |
| Pfr: | NelsBo20 |
Robert Lee Nelson (born June 30, 1953) is a former American football linebacker in the National Football League (NFL). He played for the Buffalo Bills, the San Francisco 49ers, and the Oakland/Los Angeles Raiders. He started in Super Bowl XV and in Super Bowl XVIII for the Raiders. Nelson played college football at the University of Nebraska.