The 1989 Oklahoma State Cowboys football team represented the Oklahoma State University as a member of the Big Eight Conference during the 1989 NCAA Division I-A football season. Led by sixth-year head coach Pat Jones, the Cowboys compiled an overall record of 4–7 with a mark of 3–4 in conference play, placing fifth in the Big 8. Oklahoma State played home games at Lewis Field in Stillwater, Oklahoma.

Date	Time	Opponent	Site	Result	Attendance
September 9	6:00 p.m.	at Tulsa*	Skelly Stadium Tulsa, OK (rivalry)	L 10–20	40,785
September 16	12:30 p.m.	at Ohio State*	Ohio Stadium Columbus, OH	L 13–37	88,670
September 23	6:30 p.m.	Texas Tech*	Lewis Field Stillwater, OK	L 15–31	40,200
September 30	6:30 p.m.	Wyoming*	Lewis Field Stillwater, OK	W 27–7	33,900
October 7	1:30 p.m.	at No. 16 Oklahoma	Oklahoma Memorial Stadium Norman, OK (Bedlam Series)	L 15–37	74,610
October 14	3:00 p.m.	Kansas State	Lewis Field Stillwater, OK	W 17–13	40,100
October 21	1:30 p.m.	No. 4 Nebraska	Lewis Field Stillwater, OK	L 23–48	40,000
October 28	1:30 p.m.	at Missouri	Faurot Field Columbia, MO	W 31–30	42,463
November 4	1:00 p.m.	at Kansas	Memorial Stadium Lawrence, KS	W 37–24	28,500
November 11	1:30 p.m.	No. 2 Colorado	Lewis Field Stillwater, OK	L 17–41	41,000
November 18	1:30 p.m.	Iowa State	Lewis Field Stillwater, OK	L 21–31	33,200
*Non-conference game Homecoming Rankings from AP Poll released prior to the game All times are in Central time

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