The 2018 WPA World Nine-ball Championship was a 9-Ball pool world Championships. The event took place between December 10 to 20, 2018 in the al-Attiya Sports Arena of the Al-Arabi Sports Club in Doha, Qatar. The Qatari capital held the event for the eighth time in a row. The reigning champion was Filipino Carlo Biado, who defeated his compatriot Roland Garcia 13–5 in the 2017 final. Biado would reach the final of the event, defeating Shane Van Boening in the semi-final. Germany's Joshua Filler won the event, defeating Biado in the final 13–10.