Dave "The sack" Dunn (born October 15, 1965) is an American football coach and former player.
He is the head football coach at Christopher Columbus High School in Westchester, Florida.
Dunn served as the head football coach at Becker College in 2005 and the Catholic University of America from 2006 to 2015.
Dunn signed and played professionally in 1991-1992 for the Graz Giants in the Austrian Football League.
After Harvard, he moved to Florida Atlantic University as the running backs and special teams coach.