| Rafael Vásquez | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 28 June 1958 |
| Birth Place: | La Romana, Dominican Republic |
| Debutleague: | MLB |
| Debutdate: | April 6 |
| Debutyear: | 1979 |
| Debutteam: | Seattle Mariners |
| Finalleague: | MLB |
| Finaldate: | May 10 |
| Finalyear: | 1979 |
| Finalteam: | Seattle Mariners |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 1–0 |
| Stat2label: | Earned run average |
| Stat2value: | 5.06 |
| Stat3label: | Strikeouts |
| Stat3value: | 9 |
| Teams: | |
Rafael Vásquez Santiago (born June 28, 1958) is a former Major League Baseball pitcher who appeared in 9 games with the Seattle Mariners in . He had been traded along with Mario Mendoza and Odell Jones from the Pittsburgh Pirates to the Mariners for Enrique Romo, Tom McMillan and Rick Jones at the Winter Meetings on December 5, 1978.[1]