2015 Washington State Cougars football team

The 2015 Washington State Cougars football team represented Washington State University during the 2015 NCAA Division I FBS football season. The team was coached by fourth-year head coach Mike Leach and played their home games at Martin Stadium in Pullman, Washington. They were members of the North Division of the Pac-12 Conference. They finished the season 9–4, 6–3 in Pac-12 play to finish in third place in the North Division. They were invited to the Sun Bowl where they defeated the Miami Hurricanes.

Schedule
Conference opponents not played this season: Utah, USC

2015 Coaching staff

 * Mike Leach – Head coach/offensive coordinator
 * Jim Mastro – Running backs
 * David Yost – Inside receivers
 * Graham Harrell – Outside receivers
 * Clay McGuire – Offensive line
 * Joe Salave'a – Assistant head coach/defensive line
 * David Lose – Defensive quality control
 * Alex Grinch – Defensive coordinator/secondary
 * Ken Wilson – Linebackers
 * Roy Manning – Outside linebackers
 * Brian Odom – Defensive quality control
 * Eric Mele – Special teams
 * Dave Emerick – Chief of staff
 * Antonio Huffman – Director of football operations
 * Jason Loscalzo – Strength and conditioning