2003 staff
| Coach | Role | Since |
|---|---|---|
| Head coach1 | ||
| Jim Tressel | Head Coach | 2001 |
| Coordinators2 | ||
| Jim Bollman | Offensive Coordinator · Offensive Line | 2001 |
| Mark Dantonio | Defensive Coordinator | 2001 |
| Position coaches7 | ||
| Joe Daniels | Quarterbacks | 2001 |
| Tim Spencer | Running Backs | 1999 |
| Bill Conley | Tight Ends · Recruiting Coordinator | 1997 |
| Mel Tucker | Defensive Backs | 2001 |
| Jim Heacock | Defensive Line | 1996 |
| Mark Snyder | Linebackers | 2001 |
| Luke Fickell | Special Teams | 2002 |
| Analysts1 | ||
| Mike Tressel | Graduate Assistant | 2002 |
| Operations2 | ||
| Dick Tressel | Assistant Director of Football Operations | 2001 |
| Bob Tucker | Director of Football Operations | 2000 |
A stint appears in a season when it overlaps it, so a coach hired in 2003 and a coach in their ninth year both show here, each with the full range of their stint.