2018–19 Portland State Vikings women's basketball team

The 2018–19 Portland State Vikings women's basketball team represents Portland State University during the 2018–19 NCAA Division I women's basketball season. The Vikings, led by fourth-year head coach Lynn Kennedy, will return to play their home games at Viking Pavilion after a one year renovation and are members of the Big Sky Conference. They finished the season 25–8, 14–6 in Big Sky play to finish in fourth place. As the No. 4 seed in the Big Sky Conference women's tournament, they advanced to the championship game and defeated Eastern Washington, earning their second invitation to the NCAA Division I women's basketball tournament. They lost to Oregon in the first round.

Schedule
!colspan=9 style=| Exhibition

!colspan=9 style=| Non-conference regular season

!colspan=9 style=| Big Sky regular season

!colspan=9 style=| Big Sky Women's Tournament

!colspan=9 style=| NCAA Women's Tournament