The 1913 New York Giants season was the franchise's 31st season. It involved the Giants winning the National League pennant for the third consecutive year. Led by manager John McGraw, the Giants dominated the NL and finished 12½ games in front of the second place Philadelphia Phillies. They were beaten by the Philadelphia Athletics in the World Series.

The 1913 Philadelphia Athletics season involved the A's finishing first in the American League with a record of 96 wins and 57 losses. The team then defeated the New York Giants in the 1913 World Series, 4 games to 1. In 2001, baseball historian Bill James ranked the 1913 incarnation of the Athletics' famous "$100,000 infield" as the best of all time in major league history.