The 2010 IIHF World U18 Championships was the 12th edition of the IIHF World U18 Championship. The tournament was held in Minsk and Babruysk, Belarus, between April 13 and April 23, 2010. Tournament games were played at the Minsk Sports Palace in Minsk and the Babruysk Arena in Babruysk. The Final was played at the newly opened Minsk-Arena. The United States won the gold medal for the second consecutive year with a 3–1 victory over Sweden in the championship game. The gold medal was the fifth for the United States since the tournament began in 1999; Sweden matched their best ever performance up to this point with a silver medal.

Top Division

Preliminary Round

Group A

Fixtures

The Group A games took place in Bobruisk, Belarus, between April 13 and April 18. All times local.

Group B

Fixtures

The Group B games took place in Minsk, Belarus, between April 13 and April 18. All times local.

Relegation round

Results

Note: The following matches from the preliminary round carry forward to the relegation round:

Final round

Quarterfinals

Semifinals

Fifth place game

Bronze medal game

Gold medal game

Tournament awards

Scoring leaders

List shows the top skaters sorted by points, then goals.

Leading goaltenders

Only the top five goaltenders, based on save percentage, who have played 40% of their team's minutes are included in this list.

Final standings

and were relegated to Division I for the 2011 IIHF World U18 Championships.

Division I

Group A

The tournament was played in Herning, Denmark, between April 12 and April 18, 2010.

Group B

The tournament was played in Krynica-Zdrój, Poland, between April 11 and April 17, 2010.

Division II

Group A

The tournament was played in Narva, Estonia, between March 13 and March 19, 2010.

Group B

The tournament was played in Kyiv, Ukraine, between March 22 and March 28, 2010.

Division III

Group A

The tournament was played in Erzurum, Turkey, between March 8 and March 14, 2010.

Group B

The tournament was played in Monterrey, Mexico, between March 14 and March 20, 2010.