| Mike Grossner | |
| Current Title: | Head coach |
| Current Team: | Bethany (KS) |
| Current Conference: | KCAC |
| Current Record: | 1–10 |
| Player Years1: | 1985 |
| Player Team1: | Northern Arizona |
| Player Years2: | 1986 |
| Player Team2: | Scottsdale |
| Player Years3: | 1987–1988 |
| Player Team3: | Bethany (KS) |
| Player Years5: | 1990–1992 |
| Player Team5: | Nottingham Hoods |
| Player Years6: | 1993 |
| Player Team6: | Chiefs Ravenna |
| Player Positions: | Quarterback |
| Coach Years1: | 1990–1995 |
| Coach Team1: | Glendale (AZ) (OC) |
| Coach Years2: | 1992 |
| Coach Team2: | Nottingham Hoods (co-HC) |
| Coach Years3: | 1996 |
| Coach Team3: | Agua Fria HS (AZ) |
| Coach Years4: | 1997–2000 |
| Coach Team4: | Glendale (AZ) |
| Coach Years5: | 2001–2003 |
| Coach Team5: | Western State (CO) (AHC/RC) |
| Coach Years6: | 2004–2018 |
| Coach Team6: | Baker |
| Coach Years7: | 2019–2022 |
| Coach Team7: | Leicester Falcons |
| Coach Years8: | 2023–present |
| Coach Team8: | Bethany (KS) |
| Overall Record: | 118–65 (college) 27–16 (junior college) 8–4 (high school) |
| Bowl Record: | 2–1 (junior college) |
| Tournament Record: | 6–7 (NAIA playoffs) |
| Championships: | 1 NJCAA National (2000) 1 WSFL (2000) 1 HAAC (2013) 4 HAAC South Division (2015–2018) |
Mike Grossner is an American college football coach and former player. He is the head football coach for Bethany College in Lindsborg, Kansas, a position he has held since 2023. Grossner served as the head football coach at Baker University in Baldwin City, Kansas from 2004 to 2018.[1] At Baker, he led the Wildcats to their 500th and 600th all-time victories, building the program to No. 2 in all-time National Association of Intercollegiate Athletics (NAIA) wins. Grossner was the head football coach at Glendale Community College in Glendale, Arizona from 1997 to 2000. He led his 2000 team to a NJCAA National Football Championship.
Grossner played college football at Bethany and four seasons professionally in the BAFA National Leagues and the Italian Football League from 1990-1993.[2] He was the head football coach at Agua Fria High School in Avondale, Arizona for one season, in 1996. He led the Agua Fria Owls to a record of 8–4 and a playoff appearance in his lone season there and was named Class 4A Coach of the Year. In early 1997, he succeeded Joe Kersting as head football coach at Glendale.[3]