| Sport: | Women's basketball |
| Year: | 2017–18 |
| Team: | Oklahoma State Cowgirls |
| Conference: | Big 12 Conference |
| Short Conf: | Big 12 |
| Record: | 21–11 |
| Conf Record: | 11–7 |
| Hc Year: | 7th |
| Asst Coach1: | Bill Annan |
| Asst Coach2: | Ashley Davis |
| Asst Coach3: | Jerise Freeman |
| Tourney: | NCAA Women's Tournament |
| Tourney Result: | second round |
The 2017–18 Oklahoma State Cowgirls basketball team represented Oklahoma State University in the 2017–18 NCAA Division I women's basketball season. The Cowgirls, led by seventh year head coach Jim Littell, played their home games at Gallagher-Iba Arena and were members of the Big 12 Conference. They finished the season 21–11, 11–7 in Big 12 play to finish in a tie for third place. They lost in the quarterfinals of the Big 12 women's tournament to West Virginia. They received an at-large bid of the NCAA women's basketball tournament where they defeated Syracuse in the first round before losing to Mississippi State in the second round.
For the 2016-17 season, Oklahoma State finished 17-15, 6-12 in the Big 12 and finished 7th in the conference standings. The Cowgirls were eliminated in the quarterfinals of the Big 12 women's tournament, losing to #12 Texas. They did not make the NCAA women's tournament, instead, they were selected to be in the 2017 WNIT as an at-large bid. They played at home against Abilene Christian. They lost in the first round 56-66 in an upset against Abilene Christian.
[2] |-! colspan=9 style="background:#000000; color:#FF6600;"|Exhibition|-!colspan=9 style="background:#000000; color:#FF6600;"| Non-conference regular season|-! colspan=9 style="background:#000000; color:#FF6600;"| Big 12 Regular Season|-! colspan=9 style="background:#000000; color:#FF6600;"| Big 12 Conference tournament|-!colspan=12 style="background:#000000; color:#FF6600;"| NCAA Women's Tournament
2017–18 NCAA Division I women's basketball rankings
| + Regular Season Polls | Poll | Pre- Season | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Week 9 | Week 10 | Week 11 | Week 12 | Week 13 | Week 14 | Week 15 | Week 16 | Week 17 | Week 18 | Week 19 | Final |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AP | RV | RV | RV | RV | RV | RV | RV | 24 | 20 | 20 | 24 | 19 | 23 | 22 | 21 | 25 | RV | RV | RV | N/A | |
| Coaches | NR | N/A | NR | NR | RV | RV | RV | RV | 23 | 22 | RV | 22 | 22 | 25 | 22 | 23 | RV | RV | RV | RV |
| Increase in ranking | |||
| Decrease in ranking | |||
| Not ranked previous week | |||
| (RV) | Received Votes | ||
| (NR) | Not Ranked and Did not receive votes |