Clyde Carney "Jack" Johnson (January 7, 1891 – June 25, 1927) was an American football, basketball, and baseball coach.

[1] Johnson served as the head football coach at Elon College—now known as Elon University—in Elon, North Carolina, for one season, in 1919 season, compiling a record of 1–2.

[2][3] He also coached baseball for five seasons at Elon and for two at the University of Colorado.

[citation needed] Johnson died on June 25, 1927, from complications following appendicitis surgery in Boulder, Colorado.

This biographical article relating to a college football coach first appointed in the 1910s is a stub.