Dennis Brian Erickson (born March 24, 1947) is an American football coach who most recently served as the head coach for the Salt Lake Stallions of the Alliance of American Football league. He was also the head coach at the University of Idaho (1982–1985, 2006), the University of Wyoming (1986), Washington State University (1987–1988), the University of Miami (1989–1994), Oregon State University (1999–2002), and Arizona State University (2007–2011). During his tenure at Miami, Erickson's teams won two national championships, in 1989 and 1991. His record as a college football head coach is 179–96–1 (.650). Erickson was also the head coach of two teams in the NFL, the Seattle Seahawks (1995–1998) and the San Francisco 49ers (2003–2004), and tallied a mark of 40–56 (.417). Erickson retired on December 30, 2016, after 47 years in coaching. In 2018, the AAF named Erickson as the head coach of the Salt Lake Stallions, bringing him out of retirement.