Robert Marcel Fontaine (November 14, 1923 – March 25, 1994) was an American professional baseball player, scout and executive. The native of San Jose, California, a World War II veteran, was the first director of scouting for the San Diego Padres of the National League, and served as the third general manager in the history of San Diego's Major League franchise. As a minor league baseball pitcher, Fontaine went 26–18 in five seasons (1941–42; 1946–48) in the Brooklyn Dodgers' farm system. He missed 1943–45 due to service in the United States Army Air Forces.