Jesús Peña (born March 8, 1975) is a former relief pitcher in Major League Baseball who played from 1999 through 2000 for the Chicago White Sox (1999–2000) and Boston Red Sox (2000). Listed at 6' 0", 170 lb., he batted and threw left-handed. A left-handed specialist, Peña posted a 2–1 record with a 5.21 ERA and one save in 48 appearances, giving up 34 runs (27 earned) on 49 hits and 42 walks while striking out 40 in 46+2⁄3 innings of work.