John Marzka
| Current position | |
|---|---|
| Title | Head coach | 
| Team | USMAPS (NY) | 
| Biographical details | |
| Born | c. 1968 (age 56–57) Erie, Pennsylvania, U.S.  | 
| Alma mater | Allegheny College (1991) | 
| Playing career | |
| 1987–1990 | Allegheny | 
| Position(s) | Center | 
| Coaching career (HC unless noted) | |
| 1991 | Erie Academy (PA) (OL/DL) | 
| 1992–1993 | Allegheny (DL) | 
| 1994–1995 | Allegheny (OL/TE) | 
| 1996–1997 | Allegheny (OC/OL/TE) | 
| 1998 | Fordham (OC/OL/TE) | 
| 2001–2006 | Thiel (AHC/OC/QB) | 
| 2007–2021 | Albright | 
| 2022 | Milford Academy (NY) (AHC/OC/QB/RB/WR/TE) | 
| 2023–present | USMAPS (NY) | 
| Head coaching record | |
| Overall | 88–64 (college) | 
| Bowls | 4–4 | 
| Tournaments | 3–2 (NCAA D-III playoffs) | 
| Accomplishments and honors | |
| Championships | |
| 2 MAC (2008, 2015) | |
| Awards | |
John Marzka (born c. 1968) is an American college football coach. He is head football coach for the United States Military Academy Preparatory School, a position he has held since 2023. He was the head football coach for Albright College from 2007 to 2021. He also coached for Erie Academy, Allegheny, Fordham, Thiel, and Milford Academy. He played college football for Allegheny as a center and won the 1990 NCAA Division III Football Championship.
In 2015, Marzka was inducted into the Allegheny College Hall of Fame.