| Type: | WBI |
| Gender: | Women's |
| Year: | 2018 |
| Teams: | 16 |
| Champions: | Yale |
The 2018 Women's Basketball Invitational (WBI) was a single-elimination tournament consisting of 16 National Collegiate Athletic Association (NCAA) Division I teams that did not participate in the 2018 NCAA Division I women's basketball tournament or 2018 Women's National Invitation Tournament. The 2018 field was announced on March 13. First round WBI games occurred on March 14 and 15; second-round games were played on March 19 and 20. The tournament semifinals were held March 23 and 24, and the 2018 WBI Championship game was held on March 29.[1] Yale defeated Central Arkansas, 54–50, to become WBI champions.