| Mario Díaz | |
| Position: | Infielder |
| Birth Date: | 10 January 1962 |
| Birth Place: | Humacao, Puerto Rico |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | September 12 |
| Debutyear: | 1987 |
| Debutteam: | Seattle Mariners |
| Finalleague: | MLB |
| Finaldate: | October 1 |
| Finalyear: | 1995 |
| Finalteam: | Florida Marlins |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .256 |
| Stat2label: | Home runs |
| Stat2value: | 5 |
| Stat3label: | Runs batted in |
| Stat3value: | 84 |
| Teams: |
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Mario Rafael Díaz Torres (born January 10, 1962) is a former Major League Baseball infielder. He played from to . On September 12, 1987, he recorded his first Major League hit, a triple, off of Bob James.