| Mode: | Women's basketball |
| Year: | 2018–19 |
| Team: | Northwestern Wildcats |
| Conference: | Big Ten Conference |
| Record: | 21–15 |
| Conf Record: | 9–9 |
| Short Conf: | Big Ten |
| Hc Year: | 11th |
| Asst Coach1: | Kate Popovec |
| Asst Coach2: | Preston Reid |
| Bowl: | WNIT |
| Bowl Result: | Runner Up |
The 2018–19 Northwestern Wildcats women's basketball team represents Northwestern University during the 2018–19 NCAA Division I women's basketball season. The Wildcats are led by 11th-year head coach Joe McKeown. They returned play their home games at Welsh–Ryan Arena after a one year renovation. They are members of the Big Ten Conference.
[1] |-!colspan=9 style=| Exhibition|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Big Ten regular season|-!colspan=9 style= |Big Ten Women's Tournament|-!colspan=9 style= |WNIT
See main article: 2018–19 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 | |||||||||||||||||
| Coaches | RV | RV |
| Increase in ranking | |||
| Decrease in ranking | |||
| Not ranked previous week | |||
| (RV) | Received Votes |
2018–19 Northwestern Wildcats men's basketball team