The 2019 Men's World U18 Ice Hockey Championships is the 21st such event hosted by the International Ice Hockey Federation. Teams will participate at several levels of competition. The competition will also serve as qualifications for the 2020 competition. One national team, Luxembourg, will play in the World Championships for the first time in 2019.
The Group A tournament will be held in Belgrade, Serbia from 25th– 31st March 2019. and the Group B tournament will be held in México City, Mexico from 21 to 27 April 2019.