| Ostioneros de Guaymas | |
|---|---|
 | |
| Information | |
| League | Mexican Pacific League (1945–1991) |
| Location | Guaymas, Sonora |
| Ballpark | Estadio Abelardo L. Rodríguez |
| Founded | 1945 |
| Folded | 2008 |
| League championships | 7 (1947–48, 1950–51, 1958–59, 1959–60, 1962–63, 1964–65, 1967) |
| Colors | Blue, red and white |
The Ostioneros de Guaymas were a professional baseball team based in Guaymas, Sonora, Mexico. The Ostioneros played in the Mexican Pacific League and used the Estadio Abelardo L. Rodríguez as their home ballpark. During its existence, the club won seven league championships.