The 2018–19 USC Trojans women's basketball team represented the University of Southern California during the 2018–19 NCAA Division I women's basketball season.

The Trojans, led by second year head coach, 7th overall Mark Trakh, played their home games at the Galen Center and were members of the Pac-12 Conference.

They finished the season 17–13, 7–11 in Pac-12 play to finish in a tie for eighth place.

They lost in the first round of the Pac-12 women's basketball tournament to Arizona.

Roster [1] 2018–19 NCAA Division I women's basketball rankings