Guy Evans Cooper (January 28, 1893 - August 2, 1951) was a pitcher in Major League Baseball who played from 1914 through 1915 for the New York Yankees (1914–15) and Boston Red Sox (1915). Listed at 6' 1", 185 lb., Cooper was a switch-hitter and threw right-handed. He was born in Rome, Georgia.
In a two-season career, Cooper posted a 1-0 record with eight strikeouts and a 5.33 ERA in 11 appearances, including one start, seven games finished, and 27.0 innings pitched.
Cooper died in Santa Monica, California at age 68.