The 2018 ITTF World Tour Grand Finals was the final competition of the 2018 ITTF World Tour, the International Table Tennis Federation's professional table tennis world tour. It was the 23rd edition of the competition, and was held from 13–16 December in Incheon, South Korea. The competition featured events in five categories: men's singles, women's singles, men's doubles, women's doubles and mixed doubles.