Clement Bernard "Johnnie" Johnston Sr. (born c. 1895, missing 1933) was an American football and baseball player, coach, and college athletics administrator.

He was the second head football coach at Appalachian State Teachers College—now known as Appalachian State University—located in Boone, North Carolina, serving from 1929 to 1932.

[1][2] He played varsity football, basketball and baseball at Wake Forest University, earning letters in all three sports.

[4] In 1933, Johnston sent a postcard to his wife from Zanesville, Ohio, stating that he was on his way to Chicago, Illinois to publish a book after being fired as head football coach of Appalachian State Teachers College the previous year.

This biographical article relating to a college football coach first appointed in the 1920s is a stub.