| Mode: | Women's basketball |
| Year: | 2017–18 |
| Team: | Illinois Fighting Illini |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 9 - 22 |
| Conf Record: | 0 - 16 |
| Hc Year: | 1st |
| Asst Coach1: | LaKale Malone |
| Asst Coach2: | Tianna Kirkland |
| Asst Coach3: | Steve Cochran |
The 2017–18 Illinois Fighting Illini women's basketball team represented the University of Illinois during the 2017–18 NCAA Division I women's basketball season. The Fighting Illini, led by first-year head coach Nancy Fahey, played their home games at State Farm Center as members of the Big Ten Conference. They finished the season 9–21, 0–16 in Big Ten play to finish in last place. They lost in the first round of the Big Ten women's tournament to Penn State.
The Illini finished the 2016–17 season 9–22, 3–13 in Big Ten play to finish in a four-way tie for 11th place. They advanced to the second round of the Big Ten women's tournament where they lost to Purdue.
On March 14, 2017, head coach Matt Bollant was fired. He finished at Illinois with a five-year record of 61–94.[1] On March 22, the school hired five-time Division III national champion and two-time Division III coach of the year recipient Nancy Fahey as head coach.[2]
[3] |-! colspan="9" style=| Non-conference regular season|-|-|-|-|-|-|-|-|-|-|-|-|-|-! colspan="9" style=| Big Ten conference season|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-! colspan="9" style=| Big Ten Women's Tournament
See main article: 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 | N/A | ||||||||||||||||||||
| Coaches |
| Increase in ranking | |||
| Decrease in ranking | |||
| Not ranked previous week | |||
| (RV) | Received Votes |