The 2021 IIHF World Championship Division III was scheduled to be an international ice hockey tournament run by the International Ice Hockey Federation.

The Group A tournament would have been held in Kockelscheuer, Luxembourg from 18 to 24 April and the Group B tournament in Cape Town, South Africa from 19 to 25 April 2021.

[1] On 18 November 2020, both tournaments were cancelled due to the COVID-19 pandemic.

[2]