Jimmie Le Roy McDonald (May 17, 1927 – October 23, 2004) was an American pitcher in Major League Baseball who played for five different teams between 1950 and 1958.

Listed at 5 feet 10 inches (1.78 m) tall and 185 pounds (84 kg), he batted and threw right-handed.

In the major leagues, McDonald worked a spot starter and filled various roles coming out of the bullpen as a middle reliever and set-up man.

He also was the starter and winning pitcher in Game 5 of the 1953 World Series over the Brooklyn Dodgers at Ebbets Field.

[1] In that game, McDonald allowed only two runs, both earned, over his first seven innings pitched, as the Yankees built a 10–2 advantage.