The 1987 Washington State Cougars football team was an American football team that represented Washington State University in the Pacific-10 Conference (Pac-10) during the 1987 NCAA Division I-A football season. In their first season under head coach Dennis Erickson, the Cougars compiled a 3–7–1 record (1–5–1 in Pac-10, ninth), and were outscored 356 to 238. The team's statistical leaders included Timm Rosenbach with 2,446 passing yards, Richard Calvin with 822 rushing yards, and Steve Broussard with 701 receiving yards.