2018 USL Cup playoffs

Including USL Pro history, it was the seventh postseason tournament.

The tournament began on the weekend of October 20 and ended on November 8.

Sixteen teams (top 8 per conference) competed in the single elimination tournament.

The winners of the Eastern and Western Conference Championship played for the USL Cup.

FC Cincinnati clinched the USL regular-season title on September 26 and was the number one seed in the Eastern Conference.