See main article: 2021 Men's Ice Hockey World Championships.
| Tourney Name: | IIHF World Championship Division III |
| Year: | 2021 |
| Country: | Luxembourg |
| Country2: | South Africa |
| Dates: | 18–24 April (cancelled) 19–25 April (cancelled) |
| Num Teams: | 10 |
| Venues: | 2 |
| Cities: | 2 |
| Prevseason: | 2020 (cancelled) |
| Nextseason: | 2022 |
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]
| Tourney Name: | IIHF World Championship Division III A |
| Year: | 2021 |
| Country: | Luxembourg |
| Dates: | 18–24 April (cancelled) |
| Num Teams: | 6 |
| Venues: | 1 |
| Cities: | 1 |
| Team | Qualification | |
|---|---|---|
| Placed 6th in Division II B previous year and was relegated. | ||
| Placed 2nd in Division III previous year. | ||
| Placed 3rd in Division III previous year. | ||
| Host, placed 4th in Division III previous year. | ||
| Placed 5th in Division III previous year. | ||
| Placed 1st in Division III Q previous year and was promoted. |
| Tourney Name: | IIHF World Championship Division III B |
| Year: | 2021 |
| Country: | South Africa |
| Dates: | 19–25 April (cancelled) |
| Num Teams: | 4 |
| Venues: | 1 |
| Cities: | 1 |
| Team | Qualification | |
|---|---|---|
| Host, placed 6th in Division III previous year and was relegated. | ||
| Placed 2nd in Division III Q previous year. | ||
| Placed 3rd in Division III Q previous year. | ||
| Placed 4th in Division III Q previous year. |