| Nelson Ruiz | |
| Birth Date: | 25 May 1949 |
| Birth Place: | Maracaibo, Venezuela |
| Weight: | Light welterweight |
| Total: | 11 |
| Wins: | 8 |
| Losses: | 2 |
| Draws: | 1 |
| No Contests: | 0 |
| Ko: | 6 |
Nelson Ruiz (born 25 May 1949)[1] is a Venezuelan boxer. He competed in the men's light welterweight event at the 1968 Summer Olympics.[2]