John Christopher Martin (April 19, 1887 – July 4, 1980) was a weak-hitting, slick-fielding infielder in Major League Baseball, playing mainly at shortstop for three different teams between the 1912 and 1914 seasons. Listed at 5 ft 9 in (1.75 m), 159 lb., he batted and threw right-handed. A native of Plainfield, New Jersey, Martin played baseball for Plainfield High School. In a three-year career, Martin was a .237 hitter (144-for-608) with 66 runs and 43 RBI in 187 games, including 13 doubles, four triples, 20 stolen bases, and a .323 on-base percentage without home runs.