Liam Vrolijk is a Dutch chess player. He was awarded the grandmaster title by FIDE, the international chess federation, in 2019, at the age of 17. He was the 11th youngest person to become a chess Grandmaster. Vrolijk is best known for achieving notable results in several youth chess championships, including winning the Dutch Under-20 Championship in 2018. He won the Netherlands Chess Championship in 2021, becoming the youngest Dutch Chess Champion in 100 years.