Lynn Wilbur "the Saint" St. John (November 18, 1876 – September 30, 1950) was an American football, basketball, and baseball coach and college athletics administrator.

The Union City, Pennsylvania native was the head basketball coach at Ohio State University from 1911 to 1919, and served as the school's second athletic director, a position he held for 33 years.

In 1962, he was inducted to the Naismith Memorial Basketball Hall of Fame as a contributor.

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