The 1964 Philadelphia Phillies season was the 82nd season for the franchise in Philadelphia. The Phillies finished in a second-place tie with the Cincinnati Reds. Both posted a record of 92–70, finishing one game behind the National League (NL) and World Series champion St. Louis Cardinals, and just two games ahead of fourth-place San Francisco. Gene Mauch managed the Phillies, who played their home games at Connie Mack Stadium.

Gene William Mauch was an American professional baseball player and manager who played in Major League Baseball (MLB) as a second baseman for the Brooklyn Dodgers, Pittsburgh Pirates (1947), Chicago Cubs (1948–1949), Boston Braves (1950–1951), St. Louis Cardinals (1952) and Boston Red Sox (1956–1957).