Chester James (Pop) Chadbourne (October 28, 1884 – June 21, 1943) was an outfielder in Major League Baseball, playing mainly as a center fielder for three teams between 1906 and 1918. Chadbourne spent portions of five seasons in the major leagues, but his only two complete major league seasons were with the Kansas City Packers of the Federal League. He had more success in the minor leagues, collecting more than 3000 hits over 20 years.