1970 Washington State Cougars football team

The 1970 Washington State Cougars football team was an American football team that represented Washington State University in the Pacific-8 Conference (Pac-8) during the 1970 college football season. In their third season under head coach Jim Sweeney, the Cougars compiled a 1–10 record (0–7 in Pac-8, last), and were outscored by their opponents 460 to 231.

The team's statistical leaders included Ty Paine with 1,581 passing yards, Bob Ewen with 667 rushing yards, and Ed Armstrong with 488 receiving yards.

Due to the fire at Rogers Field in April, all home games were played at Joe Albi Stadium in Spokane in 1970 and 1971.

NFL Draft
For the first time in five years, no Cougars were selected in the 1971 NFL Draft.