| Edwin Díaz | |
| Birth Date: | 15 January 1975 |
| Birth Place: | Bayamon, Puerto Rico |
| Position: | Second baseman |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | March 31 |
| Debutyear: | 1998 |
| Debutteam: | Arizona Diamondbacks |
| Finalleague: | MLB |
| Finaldate: | August 2 |
| Finalyear: | 1999 |
| Finalteam: | Arizona Diamondbacks |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .167 |
| Stat2label: | Hits |
| Stat2value: | 2 |
| Stat3label: | Runs batted in |
| Stat3value: | 1 |
| Teams: | |
Edwin Rosario Díaz (born January 15, 1975) is a Puerto Rican born retired professional baseball player. He was the Opening Day starter at second base for the Arizona Diamondbacks in their inaugural 1998 MLB season. He finished his career with 2 hits in 7 games.