1973 AIAW National Basketball Championship

The 1973 AIAW women's basketball tournament was held on March 22–25, 1973. The host site was Queens College in Flushing, New York. Sixteen teams participated, and Immaculata College, now known as Immaculata University, was crowned national champion at the conclusion of the tournament, for the second straight year.

Immaculata finished the season undefeated (20–0), becoming the first undefeated national champion in women's college basketball.