James Harle Johnston (December 10, 1889 – February 14, 1967) was a Major League Baseball player from 1911 to 1926.

[1] Johnston, who batted and threw right-handed, made his major-league debut on May 3, 1911, with the Chicago White Sox, which was his only appearance that season.

Overall, Johnston played all or part of 13 seasons in the major leagues, ten with the Brooklyn Robins.

[1] On May 25, 1922, Johnston hit for the cycle as a member of the Brooklyn Robins in an 8–7 win over the Philadelphia Phillies at the Baker Bowl.

All of his managers became Hall of Famers; Hugh Duffy with the White Sox, Hank O'Day with the Cubs, Wilbert Robinson with Brooklyn, Dave Bancroft with the Braves, and John McGraw with the Giants.