Stolmy Ramón Pimentel (born February 1, 1990) is a Dominican former professional baseball pitcher.

Despite the worst season of his short career, he was nominated to the All-Star Futures Game facing 2 batters, Logan Morrison and Danny Espinosa, retiring them both.

[3] On December 26, 2012 the Red Sox traded him (along with Mark Melancon, Jerry Sands and Iván DeJesús Jr.) to the Pittsburgh Pirates for Brock Holt and Joel Hanrahan.

[6] In 14 games for the Triple–A Las Vegas 51s, he struggled immensely to an 0–4 record and 10.45 ERA with 29 strikeouts across 31.0 innings pitched.

On July 7, 2016, Pimentel signed with the Guerreros de Oaxaca of the Mexican Baseball League.