| Biographical details | |
|---|---|
| Born | August 30, 1956 Pikeville, Tennessee, U.S. |
| Alma mater | Tennessee Tech (1978) Tennessee (1985) |
| Playing career | |
| 1974–1976 | Tennessee Tech |
| Position(s) | Linebacker |
| Coaching career (HC unless noted) | |
| 1983–1984 | Tennessee (GA) |
| 1985–1986 | Middle Tennessee (DE) |
| 1987–1989 | Lock Haven (DC) |
| 1990–1995 | Lock Haven |
| 1996–1999 | Illinois State (DC) |
| 2000–2003 | Army (DC) |
| 2004–2005 | Murray State (DC) |
| 2006 | Auburn (VA) |
| 2007 | UNLV (LB) |
| 2008 | UNLV (DC/LB) |
| 2009 | UNLV (DC/S) |
| 2010–2011 | Las Vegas Locomotives (LB) |
| 2012 | Las Vegas Locomotives (DB) |
| 2013–2014 | Murray State (DC) |
| 2017 | Bledsoe County HS (TN) |
| Head coaching record | |
| Overall | 14–51–1 (college) 4–7 (high school) |
Dennis Therrell (born August 30, 1956) is an American football coach and former player. He served as the head football coach at Lock Haven University of Pennsylvania from 1990 to 1995, compiling a record of 14–51–1. Therrell played collegiately as a linebacker at Tennessee Tech during the mid-1970s.