The 2018 Thai FA Cup final was the final match of the 2018 Thai FA Cup, the 25th season of a Thailand's football tournament organised by Football Association of Thailand. It was played at the Supachalasai Stadium in Bangkok, Thailand on 27 October 2018, between Chiangrai United a big team from the Northern part and Buriram United a big team from the Northeastern part of Thailand.
<small>Note: In all results below, the score of the finalist is given first (H: home; A: away; T1: Clubs from Thai League; T2: Clubs from Thai League 2; T3: Clubs from Thai League 3; T4: Clubs from Thai League 4.</small>
Assistant referees: <br /> Phattarapong Kijsathit <br /> Rawut Nakharit <br />Fourth official: <br /> Songkran Bunmeekiat <br />Match Commissioner: <br /> Pakasit Suwannanon <br />Referee Assessor: <br /> Mongkol Rungklai