Roel Octavio Ramírez (born May 26, 1995) is an American professional baseball pitcher for the Toros de Tijuana of the Mexican League.

In 2014, Ramírez played for the rookie-level Princeton Rays, logging a 6-2 record and 1.86 ERA in 12 appearances.

For the 2016 season, Ramírez played for the Single-A Bowling Green Hot Rods, registering a 7-8 record and 4.68 ERA in 25 appearances.

He split the 2017 season between the High-A Charlotte Stone Crabs and Bowling Green, accumulating a 3-3 record and 5.29 ERA with 60 strikeouts in 64.2 innings of work.

Ramírez began the 2018 season with Charlotte, later receiving a promotion to the Double-A Montgomery Biscuits, where he logged a 3-1 record and 3.32 ERA in 26 games.

[1] On July 31, 2018, the Rays traded Ramírez, Justin Williams, and Génesis Cabrera to the St. Louis Cardinals in exchange for Tommy Pham and international signing bonus money.

Ramírez was assigned to Triple-A Memphis to begin the 2021 season, where he posted a 4.67 ERA in 18 games.