Jonathan Hernández (born July 6, 1996) is a Dominican-American professional baseball pitcher in the Tampa Bay Rays organization.

He has previously played in Major League Baseball (MLB) for the Texas Rangers and Seattle Mariners.

[7] He began the 2018 season with the Wood Ducks,[8] and received a midseason promotion to the Frisco RoughRiders of the Double–A Texas League.

[9] Hernández posted a 4–2 record with a 2.20 ERA, with 77 strikeouts in 57+1⁄3 innings in 10 games (10 starts) with the Wood Ducks.

[14] On March 9, 2021, Hernández was shut down for at least four weeks after being diagnosed with a "low-grade" sprain of his ulnar collateral ligament in his right elbow.

Hernández made 26 appearances for Texas in 2024, posting a 3–1 record and 5.05 ERA with 36 strikeouts across 41 innings of work.

[27] Jonathan was born in Memphis, Tennessee, when his father played baseball there, but he was raised in the Dominican Republic.