| Mode: | Women's basketball |
| Year: | 2019–20 |
| Team: | Oregon State Beavers |
| Conference: | Pac-12 Conference |
| Short Conf: | Pac-12 |
| Coachrank: | 16 |
| Aprank: | 14 |
| Record: | 23–9 |
| Conf Record: | 10–8 |
| Hc Year: | 10th |
| Assoc Coach: | Jonas Chatterton |
| Asst Coach1: | Brian Holsinger |
| Asst Coach2: | Katie Baker |
| Champion: | Preseason WNIT champions |
The 2019–20 Oregon State Beavers women's basketball team represented Oregon State University during the 2019–20 NCAA Division I women's basketball season. The Beavers, led by tenth-year head coach Scott Rueck, played their games at the Gill Coliseum and were members of the Pac-12 Conference.
|-!colspan=9 style=| Exhibition|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Pac-12 regular season|-!colspan=9 style=|Pac-12 women's tournamentSource:[1]
See main article: 2019–20 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 | 7 | 7 | 7 | 7 | 5 | 4 (1) | 4 (1) | 3 (4) | 3 (5) | 3 (3) | 8 | 7 | 10 | 9 | 11 | 15 | 17 | 14 | 14 | 14 | |
| Coaches | 6 | 6^ | 5 | 5 | 5 | 4 | 4 (1) | 3 (1) | 3 (4) | 3 (3) | 7 (1) | 7 | 10 | 9 | 11 | 14 | 18 | 15 | 16 | 16 |
| Increase in ranking | |||
| Decrease in ranking | |||
| Not ranked previous week | |||
| RV | Received votes | ||
| NR | Not ranked | ||
| First-place votes received |