| John Zernhelt | |
| Current Title: | Offensive analyst |
| Current Team: | Ferrum |
| Current Conference: | ODAC |
| Birth Date: | January 4, 1954 |
| Birth Place: | Pottsville, Pennsylvania, U.S. |
| Player Years1: | 1974–1977 |
| Player Team1: | Maryland |
| Player Positions: | Offensive lineman |
| Coach Years1: | 1978–1980 |
| Coach Team1: | Ferrum (OL) |
| Coach Years2: | 1981 |
| Coach Team2: | Marshall (OL) |
| Coach Years3: | 1982–1986 |
| Coach Team3: | East Carolina (OL) |
| Coach Years4: | 1987–1991 |
| Coach Team4: | Maryland (OL) |
| Coach Years5: | 1992–1993 |
| Coach Team5: | Rice (OL) |
| Coach Years6: | 1994 |
| Coach Team6: | Duke (OL) |
| Coach Years7: | 1995 |
| Coach Team7: | Duke (OC/OL) |
| Coach Years8: | 1996–1998 |
| Coach Team8: | South Carolina (OL) |
| Coach Years9: | 1999–2002 |
| Coach Team9: | James Madison (OC/OL) |
| Coach Years10: | 2003 |
| Coach Team10: | The Citadel (OC) |
| Coach Years11: | 2004 |
| Coach Team11: | The Citadel |
| Coach Years12: | 2005 |
| Coach Team12: | New York Jets (TE) |
| Coach Years13: | 2006–2012 |
| Coach Team13: | Tennessee Titans (TE) |
| Coach Years14: | 2022–present |
| Coach Team14: | Ferrum (offensive analyst) |
| Overall Record: | 3–7 |
John Zernhelt (born January 4, 1954) is an American football coach. He is an offensive analyst at Ferrum College in Ferrum, Virginia, a position he has held since 2022. Zernhelt served as the head football coach at The Citadel for one season, in 2004, compiling a record of 3–7.[1] Zernhelt was a scout for the Los Angeles Rams of the National Football League (NFL) for six years.