John Michael Yovicsin (October 17, 1918 – September 13, 1989) was an American football player and coach. He played college football at Gettysburg College from 1937 to 1939 and then professionally with Philadelphia Eagles of the NFL in 1944. Yovicsin served as the head football coach at Gettysburg College from 1952 to 1956 and at Harvard University from 1957 to 1970, compiling a career record of 110–53–5. Yovicsin died on September 13, 1989 of heart disease in Barnstable, Massachusetts at the age of 70.