2003 Washington State Cougars football team

The 2003 Washington State Cougars football team represented Washington State University in the 2003 NCAA Division I-A football season. The defending Pac-10 champions, the team was led by first-year head coach Bill Doba, promoted from defensive coordinator. The Cougars played home games on campus at Martin Stadium in Pullman, with one in Seattle at Seahawks Stadium.