| Mode: | Women's Basketball |
| Year: | 2018–19 |
| Team: | TCU Horned Frogs |
| Conference: | Big 12 Conference |
| Short Conf: | Big 12 |
| Record: | 24–11 |
| Conf Record: | 10–8 |
| Head Coach: | Raegan Pebley |
| Hc Year: | 5th |
| Asst Coach1: | Hanna Howard |
| Asst Coach2: | Britney Brown |
| Asst Coach3: | Abi Olajuwon |
| Stadium: | Schollmaier Arena |
| Bowl: | WNIT |
| Bowl Result: | Semifinals |
The 2018–19 TCU Horned Frogs women's basketball team represented Texas Christian University in the 2018–19 NCAA Division I women's basketball season. The 2018–19 season was head coach Raegan Pebley's fifth season at TCU. The Horned Frogs were members of the Big 12 Conference and played their home games in Schollmaier Arena. They finished the season 24–11, 10–8 in Big 12 play to finish in sixth place. They lost in the quarterfinals of the Big 12 women's tournament to Texas. They received an at-large bid to the Women's National Invitation Tournament, where they defeated Prairie View A&M, UT Arlington, Arkansas in the first, second and third rounds, Cincinnati in the quarterfinals before losing to Arizona in the semifinals.
|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Big 12 regular season|-!colspan=9 style=| Big 12 Women's Tournament|-!colspan=9 style=| WNITSchedule and results from GoFrogs.com[1]
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 | N/A | |||||||||||||||||
| Coaches |
| Increase in ranking | |||
| Decrease in ranking | |||
| Not ranked previous week | |||
| (RV) | Received Votes |