1999 Washington State Cougars football team

The 1999 Washington State Cougars football team represented Washington State University as a member of the Pacific-10 Conference during the 1999 NCAA Division I-A football season. Led by 11th-year head coach Mike Price, the Cougars compiled an overall record of 3–9 with a mark of 1–7 in conference play, placing last out of ten teams in the Pac-10.

Schedule
Conference opponent not played this season: UCLA