The 2018 ACC women's soccer tournament was the postseason women's soccer tournament for the Atlantic Coast Conference. The defending champions were the North Carolina Tar Heels. However, North Carolina was unable to defend their crown, losing to Florida State in the final.
The top eight teams in the Atlantic Coast Conference earned a berth into the ACC Tournament. The quarterfinal round was held at campus sites, while the semifinals and final took place at Sahlen's Stadium in Cary, North Carolina. Clemson received the 5th seed over Louisville due to having a better goal difference in conference games. Five of the eight teams in the tournament were ranked in the United Soccer Coaches poll that was released on Tuesday, October 23, 2018.