The 1967 World Series was the championship series of Major League Baseball's (MLB) 1967 season. The 64th edition of the World Series, it was a best-of-seven playoff between the American League (AL) champion Boston Red Sox and the National League (NL) champion St. Louis Cardinals. In a rematch of the 1946 World Series, the Cardinals won in seven games for their second championship in four years and their eighth overall. The Series was played from October 4 to 12 at Fenway Park and Busch Memorial Stadium. It was the first World Series since 1948 that did not feature the Yankees, Dodgers, or Giants.

The 1967 Major League Baseball season was contested from April 10 to October 12, 1967. The St. Louis Cardinals defeated the Boston Red Sox four games to three in the World Series, which was the first World Series appearance for the Red Sox in 21 years. Following the season, the Kansas City Athletics relocated to Oakland.