The 1990 Oklahoma State Cowboys football team represented the Oklahoma State University as a member of the Big Eight Conference during the 1990 NCAA Division I-A football season.

Led by seventh-year head coach Pat Jones, the Cowboys compiled an overall record of 4–7 with a mark of 2–5 in conference play, placing in a three-way tie for sixth in the Big 8.

Oklahoma State played home games at Lewis Field in Stillwater, Oklahoma.

[3] [4] at Ben Hill Griffith Stadium, Gainesville, Florida First quarter Second quarter Third quarter Fourth quarter

The 1991 NFL draft was held on April 21–22, 1991.