Robert Paul Malloy (May 28, 1918 – February 20, 2007) was an American professional baseball player and a relief pitcher in Major League Baseball who played between 1943 and 1949 for the Cincinnati Reds (1943–44, 1946–47) and St. Louis Browns (1949). Malloy batted and threw right-handed. He was born in Canonsburg, Pennsylvania. In a five-season career, Malloy posted a 4–7 record with a 3.26 ERA and two saves in 48 games pitched, including 35 strikeouts, 26 games finished, and 116 innings. During World War II, Malloy served in the US Army. Malloy died in Cincinnati, at the age of 88.