2005 staff
| Coach | Role | Since |
|---|---|---|
| Head coach1 | ||
| Mark Dantonio | Head Coach | 2004 |
| Coordinators2 | ||
| Don Treadwell | Offensive Coordinator | 2004 |
| Mike Tressel | Special Teams Coordinator · Linebackers | 2004 |
| Position coaches3 | ||
| Dan Roushar | Offensive Line | 2005 |
| Dan Enos | Quarterbacks | 2004 |
| Harlon Barnett | Defensive Backs | 2004 |
A stint appears in a season when it overlaps it, so a coach hired in 2005 and a coach in their ninth year both show here, each with the full range of their stint.