The 2020 IIHF World U18 Championship would have been the 22nd such event hosted by the International Ice Hockey Federation.

The division II and III tournaments were cancelled by IIHF on 2 March 2020.

[1] The top division and division I tournaments were cancelled by the IIHF on 13 March 2020 due to the COVID-19 pandemic[2] The tournament was to be held from 16 to 26 April 2020 in Plymouth and Ann Arbor, United States, but was cancelled by the IIHF.

The tournament was to be held in Spišská Nová Ves, Slovakia from 13 to 19 April 2020, but was cancelled by the IIHF.

The tournament was to be held in Kockelscheuer, Luxembourg from 29 March to 4 April 2020,[4] but was cancelled by the IIHF.