| John D. Waldorf | |
| Birth Date: | 29 July 1909 |
| Birth Place: | Syracuse, New York, U.S. |
| Death Place: | Marshall, Missouri, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1927–1929 |
| Player Team2: | Missouri |
| Player Sport3: | Basketball |
| Player Years4: | 1927–1930 |
| Player Team4: | Missouri |
| Player Positions: | Fullback, quarterback (football) |
| Coach Sport1: | Football |
| Coach Years2: | 1930–1932 |
| Coach Team2: | Nebraska Wesleyan |
| Coach Sport3: | Basketball |
| Coach Years4: | 1930–1933 |
| Coach Team4: | Nebraska Wesleyan |
| Admin Years1: | 1930–1933 |
| Admin Team1: | Nebraska Wesleyan |
| Overall Record: | 14–9–2 (football) 22–34 (basketball) |
| Championships: | 2 NCAC (1931–1932) |
| Awards: | |
John David Waldorf (July 29, 1909 – August 12, 1982) was an American football player and coach and, later, a long-time college football and college basketball official.
He played college football at the University of Missouri, where he was a two-time All-Big Six selection.[1] Waldorf served as the head football coach at Nebraska Wesleyan University in Lincoln, Nebraska from 1930 to 1932.[2] After retiring from coaching, he became an official in the Big Eight Conference.[3]
Waldorf was the brother of college football coaches Pappy Waldorf, Paul D. Waldorf, and Bob Waldorf, as well as the son of Methodist Episcopal Church bishop Ernest Lynn Waldorf. He died on August 12, 1982, at Fitzgibbon Memorial Hospital in Marshall, Missouri.[4]