The 2018 American Athletic Conference baseball tournament was scheduled to be held at Spectrum Field in Clearwater, Florida, from May 22 through 26.

Anticipated weather forced a truncated schedule causing the event to be condensed, and the title game was played on May 25.

East Carolina won the double-elimination tournament and received the conference's automatic bid to the 2018 NCAA Division I baseball tournament.

[2] The top eight baseball teams in The American were seeded based on their records in conference play.

The tournament used a two-bracket double-elimination format, which led to a single championship game between the winners of each bracket.