| Mode: | Women's Basketball |
| Year: | 2018–19 |
| Team: | St. John's Red Storm |
| Conference: | Big East Conference |
| Short Conf: | Big East |
| Record: | 15–16 |
| Conf Record: | 7–11 |
| Hc Year: | 7th |
| Asst Coach1: | Jonath Nicholas |
| Asst Coach2: | Rory Kuhn |
| Asst Coach3: | Shenneika Smith |
The 2018–19 St. John's Red Storm women's basketball team represented St. John's University during the 2018–19 NCAA Division I women's basketball season. The Red Storm, led by seventh-year head coach Joe Tartamella, played their games at Carnesecca Arena with 1 game at Madison Square Garden and were members of the Big East Conference. They finished the season 15–16, 7–11 in Big East play to finish in a tie for eighth place. They advanced to the quarterfinals of the Big East women's basketball tournament to Creighton where they lost to Marquette.
[1] |-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Big East regular season|-!colspan=9 style=| Big East Women's Tournament