Manuel Eduardo Sarmiento Aponte (born February 2, 1956) is a Venezuelan former professional baseball pitcher who played with the Cincinnati Reds (1976–79), Seattle Mariners (1980) and Pittsburgh Pirates (1982–83) in Major League Baseball.

While with the Reds, he posted a 14–8 record with 138 strikeouts, six saves, and a 4.12 ERA in 132 appearances (including five as a starting pitcher).

Sarmiento was traded in early 1981 to the Red Sox, where he played the entire season at their AAA affiliate, Pawtucket.

In a seven-season career, Sarmiento compiled a 26–22 mark with 283 strikeouts and a 3.49 ERA in 513 innings pitched.

As a 20-year-old rookie in 1976, the slender Venezuelan helped the Reds to a World Championship with five relief wins".