The 2018 NCAA Division I women's basketball tournament began on March 16, 2018, and concluded with the national championship game on Sunday, April 1.

Tennessee continued its record streak of making every NCAA women's basketball tournament at 37 consecutive appearances.

The basis for the subregionals returned to the approach used between 1982 and 2002; the top sixteen teams, as chosen in the bracket selection process, hosted the first two rounds on campus.

The basis for the subregionals returned to the approach used between 1982 and 2002; the top sixteen teams, as chosen in the bracket selection process, hosted the first two rounds on campus.

The remaining 32 teams were granted "at-large" bids, which were extended by the NCAA Selection Committee.

The following teams automatically qualified for the 2018 NCAA field by virtue of winning their conference's tournament.