John Clifford Johnson (September 29, 1914 – June 26, 1991) was an American middle-relief pitcher in Major League Baseball who played for the New York Yankees (1944) and Chicago White Sox (1945). Listed at 6 ft 0 in (1.83 m), 182 lb., Johnson batted and threw left-handed. He was born in Belmore, Ohio.
In a two-season career, Johnson posted a 3–2 record with 49 strikeouts and a 4.20 ERA in 51 appearances, including one start, seven saves, 27 games finished, and 96 ⅓ innings.
Johnson died in Iron Mountain, Michigan, at the age of 76.