Richard Emmet Ellerson (born January 1, 1953) is an American football coach and former player.
He was the head football at Southern Utah University in 1996, at California Polytechnic State University from 2001 to 2008, and the United States Military Academy from 2009 to 2013.
While at Cal Poly, Ellerson's teams won three conference championships and compiled a 56–34 record, giving him the third highest winning percentage of any football coach in school history.