| Sport: | Women's basketball |
| Year: | 2021–22 |
| Team: | Washington State Cougars |
| Conference: | Pac-12 Conference |
| Short Conf: | Pac-12 |
| Record: | 19–11 |
| Conf Record: | 11–6 |
| Head Coach: | Kamie Ethridge |
| Hc Year: | 4th |
| Asst Coach1: | Laurie Koehn |
| Asst Coach2: | Jason Chainey |
| Asst Coach3: | Camille Williams |
| Stadium: | Beasley Coliseum |
| Tourney: | NCAA tournament |
| Tourney Result: | first round |
The 2021–22 Washington State Cougars women's basketball team represented Washington State University during the 2021–22 NCAA Division I women's basketball season. The Cougars were led by fourth-year head coach Kamie Ethridge and they played their home games at Beasley Coliseum as members of the Pac-12 Conference.
Last season, the Cougars finished with an overall record of 12–12. The Cougars finished conference play with a 9–10 record. As the #7 seed in the tournament, the Cougars defeated the #10 seed Utah Utes in the first round, but lost to the #2 seed Arizona Wildcats in the quarterfinals. The Cougars received an at large bid to the 2021 NCAA Division I women's basketball tournament. They received the #9 seed in the Mercado Regional. They lost in the first round to the #8 seed South Florida and were eliminated.
|-!colspan=9 style=| Exhibition|-!colspan=9 style=| Regular Season|-!colspan=9 style=| Pac-12 Women's Tournament|-!colspan=9 style=| NCAA tournamentSource:[1]
See also: 2021–22 NCAA Division I women's basketball rankings. *The preseason and week 1 polls were the same.
^Coaches did not release a week 2 poll.