Harold Langford Leathers (December 2, 1898 – April 12, 1977) was a professional baseball middle infielder who played in nine games for the 1920 Chicago Cubs of Major League Baseball (MLB). Listed at 5 feet 8 inches (1.73 m) and 152 pounds (69 kg), he batted left-handed and threw right-handed.

Leathers' minor league baseball career spanned 1918 to 1924, plus a final season in 1926.^[2] He appeared in 778 minor league games, compiling a .253 batting average.^[2] Defensively, he played 480 games as a shortstop and 142 games as a second baseman.^[2]

From mid-September to early October 1920, Leathers appeared in nine major league games with the Chicago Cubs.^[3] He registered a .304 batting average (7-for-23) with one home run,^{[3][lower-alpha 2]} which was hit off of Joe Oeschger of the Boston Braves.^[5][6] Defensively, Leathers made six appearances at shortstop (four starts) and three appearances at second base, recording an .837 fielding percentage.^[7] He committed three errors in his first major league start at shortstop,^[8] one of which led to an unearned run, the difference in a 1–0 Cubs loss to the Brooklyn Robins.^[9][10]

Leathers was born in 1898 in Selma, California.^[3][11] As of February 1942, he was living in Los Angeles and was self-employed as a gardener.^[11] He died in 1977 in Modesto, California, and was interred in Hughson, California.^[3]