James Bentley "Cy" Seymour (December 9, 1872 in Albany, New York – September 20, 1919 in New York, New York) was an American center fielder and pitcher in Major League Baseball. From 1896 through 1913, Seymour played for the New York Giants (1896–1900, 1906–1910), Baltimore Orioles (1901–1902), Cincinnati Reds (1902–1906) and Boston Braves (1913). He batted and threw left-handed. Primarily a center fielder, Seymour was a pitcher for his first five seasons, ending with a 61-56 record and a 3.76 ERA in 140 appearances (123 as a starter).