| Marshall Glenn | |
| Birth Date: | 22 April 1908 |
| Birth Place: | Elkins, West Virginia, U.S. |
| Death Place: | Hagerstown, Maryland, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1927–1929 |
| Player Team2: | West Virginia |
| Player Sport3: | Basketball |
| Player Years4: | 1927–1930 |
| Player Team4: | West Virginia |
| Player Positions: | Quarterback (football) |
| Coach Sport1: | Football |
| Coach Years2: | 1937–1939 |
| Coach Team2: | West Virginia |
| Coach Sport3: | Basketball |
| Coach Years4: | 1933–1938 |
| Coach Team4: | West Virginia |
| Overall Record: | 14–12–3 (football) 61–46 (basketball) |
| Bowl Record: | 1–0 |
Marshall "Little Sleepy" Glenn (April 22, 1908 – October 11, 1983) was a player and coach of American football and basketball and a physician. He served as the head football coach at West Virginia University from 1937 to 1939, compiling a record of 14–12–3, and the school's head basketball coach from 1933 to 1938, tallying a mark of 61–46. Glenn was born on April 22, 1908, in Elkins, West Virginia. He died on October 11, 1983, at Washington Country Hospital in Hagerstown, Maryland, from injuries sustained in a car accident on U.S. Route 340.[1] While attending West Virginia University he was a member of Sigma Phi Epsilon.
In the 1934–35 season, West Virginia finished the Eastern Intercollegiate Conference season with a record of 6–2, tied for first place with Pittsburgh.West Virginia subsequently lost to Pittsburgh in a conference championship playoff game, not included in West Virginia's regular-season conference won-lost record.