2018–19 Arizona Wildcats women's basketball team

The 2018–19 Arizona Wildcats women's basketball team represented University of Arizona during the 2018–19 NCAA Division I women's basketball season. The Wildcats, led by third-year head coach Adia Barnes, played their home games at the McKale Center and were members of the Pac-12 Conference. They finished the season of 24–13, 7–11 in Pac-12 play to finish in a tie for sixth place. They advanced to the quarterfinals of the Pac-12 women's tournament where they lost to Oregon. They received an at-large bid to the Women's National Invitation Tournament, where they advanced to the finals and defeated Northwestern for the championship.

Previous season
They finished the season 6–24, 2–16 in Pac-12 play to finish in eleventh place. They lost in the first round of the Pac-12 women's basketball tournament to Arizona State.

Schedule
!colspan=9 style=| Exhibition

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

!colspan=9 style=| Pac-12 regular season

!colspan=9 style=|Pac-12 Women's Tournament

!colspan=9 style=|WNIT