2010 IIHF World U18 Championship Division I
The 2010 IIHF World U18 Championship Division I was an international under-18 ice hockey competition organised by the International Ice Hockey Federation. Both Division I tournaments made up the second level of the 2010 IIHF World U18 Championships. The Group A tournament was played in Herning, Denmark, and the Group B tournament was played in Krynica-Zdrój, Poland. Norway and Germany won the Group A and B tournaments respectively and gained promotion to the Top Division of the 2011 IIHF World U18 Championships.Group A
The Group A tournament was played in Herning, Denmark, from 12 to 18 April 2010.
;Final Standings
| Team | GP | W | OTW | OTL | L | GF | GA | DIF | PTS |
| 5 | 4 | 0 | 0 | 1 | 33 | 15 | 18 | 12 |
| 5 | 4 | 0 | 0 | 1 | 34 | 14 | 20 | 12 |
| 5 | 3 | 0 | 0 | 2 | 27 | 25 | 2 | 9 |
| 5 | 3 | 0 | 0 | 2 | 21 | 21 | 0 | 9 |
| 5 | 0 | 1 | 0 | 4 | 18 | 45 | –27 | 2 |
| 5 | 0 | 0 | 1 | 4 | 12 | 25 | –13 | 1 |
was promoted to Top Division for the 2011 IIHF World U18 Championships
was relegated to Division II for the 2011 IIHF World U18 Championships
;Results
All times are local.Group B
The Group B tournament was played in Krynica-Zdrój, Poland, from 11 to 17 April 2010.
;Final Standings
| Team | GP | W | OTW | OTL | L | GF | GA | DIF | PTS |
| 5 | 5 | 0 | 0 | 0 | 51 | 2 | 49 | 15 |
| 5 | 3 | 0 | 1 | 1 | 19 | 17 | 2 | 10 |
| 5 | 3 | 0 | 0 | 2 | 21 | 21 | 0 | 9 |
| 5 | 2 | 0 | 0 | 3 | 9 | 16 | –7 | 6 |
| 5 | 1 | 1 | 0 | 3 | 13 | 24 | –11 | 5 |
| 5 | 0 | 0 | 0 | 5 | 6 | 39 | –33 | 0 |
was promoted to Top Division for the 2011 IIHF World U18 Championships
was relegated to Division II for the 2011 IIHF World U18 Championships
;Results
All times are local.
