IIHF World Championship Division I
Upcoming season or competition: 2026 IIHF World Championship Division I | |
| Sport | Ice hockey |
|---|---|
| Founded | 1951 (Pool B) 2001 (Division I) |
| No. of teams | 12 |
| Continent | Worldwide |
Most recent champions |  Kazakhstan (Group A)  Estonia (Group B) |
| Most titles | Slovenia (Group A) (8 titles) |
| Promotion to | Top Division |
| Relegation to | Division II |
| Website | IIHF.com |
The IIHF World Championship Division I is an annual sports event organized by the International Ice Hockey Federation. The divisional championship is played in two groups.