The 2018 BWF World Championships was a badminton tournament which was held from 30 July to 5 August at Nanjing Youth Olympic Games Sports Park Arena in Nanjing, China.

The BWF World Championships, formerly known as IBF World Championships, and also known as the World Badminton Championships, is a badminton tournament sanctioned by Badminton World Federation (BWF). The tournament is one of the most prestigious in badminton, offering the most ranking points, together with the Summer Olympics badminton tournaments which was introduced in 1992. The winners of this tournament are also crowned as "World Champions" of the sport, and are awarded a gold medal.