| Wally Opekun | |
| Birth Date: | 16 January 1905 |
| Player Sport1: | Football |
| Player Years2: | 1928–1929 |
| Player Team2: | Penn |
| Player Positions: | Fullback |
| Coach Sport1: | Football |
| Coach Years2: | 1935–1941 |
| Coach Team2: | Mount St. Mary's (assistant) |
| Coach Years3: | 1942–1946 |
| Coach Team3: | Mount St. Mary's |
| Coach Sport4: | Basketball |
| Coach Years5: | 1941–1942 |
| Coach Team5: | Mount St. Mary's |
| Coach Years6: | 1943–1947 |
| Coach Team6: | Mount St. Mary's |
| Coach Years7: | 1948 |
| Coach Team7: | Mount St. Mary's (interim HC) |
| Coach Sport8: | Baseball |
| Coach Years9: | 1944 |
| Coach Team9: | Mount St. Mary's |
| Coach Years10: | 1946–1948 |
| Coach Team10: | Mount St. Mary's |
| Overall Record: | 50–34 (basketball) 19–36 (baseball) |
Walter J. Opekun (January 16, 1905 - December 18, 1997)[1] was an American football, basketball and baseball coach.[2] He served as the head football coach at Mount St. Mary's University in Emmitsburg, Maryland from 1942 to 1946.[3] Opekun was also the head basketball coach and head baseball coach at Mount St. Mary's. He played college football as a fullback at the University of Pennsylvania.[4]