Eldred William "Bud" Byerly (October 26, 1919 – January 26, 2012) was an American professional baseball pitcher, who played for the St. Louis Cardinals, Cincinnati Reds, Washington Senators, Boston Red Sox and San Francisco Giants of Major League Baseball (MLB). The right-hander, a native of Webster Groves, Missouri, was listed as tall and .
Although he never pitched more than 95 innings in a regular season, Byerly played for five Major League teams in a span of 17 years (1944–60). In 1957 while with the Senators, Byerly posted career-highs with six wins and six saves.
In his 11-season major league career, Byerly had a 22–22 record with a 3.70 ERA and 14 saves in 237 appearances. In 491 innings pitched, he allowed 519 hits and 167 bases on balls, with 209 strikeouts.