The 2025 IIHF U18 World Championship was the 26th such event organized by the International Ice Hockey Federation. Teams participated at several levels of competition. These tournaments also served as qualifications for the 2026 competition.
The Top Division tournament was played in the Dallas-Fort Worth Metroplex in the state of Texas, specifically in Frisco and Allen, United States, from April 23 to May 3, 2025.
All times are local (Central Daylight Time; UTC-5).
Winning teams in the quarterfinals will be reseeded according to their ranking:
<small>Source:</small>
<small>GP = Games played; G = Goals; A = Assists; Pts = Points; +/â = PlusâÂÂminus; PIM = Penalties In Minutes<br>Source: IIHF</small>
(minimum 40% team's total ice time)
<small>TOI = Time on ice (minutes:seconds); GA = Goals against; GAA = Goals against average; SA = Shots against; Sv% = Save percentage; SO = Shutouts<br>Source: IIHF</small>
The Division I Group A tournament was played in Székesfehérvár, Hungary from 20 to 26 April 2025.
The Division I Group B tournament was played in Kaunas, Lithuania from 13 to 19 April 2025.
The Division II Group A tournament was played in Asiago, Italy from 13 to 19 April 2025 as a test event of the 2026 Winter Olympics.
The Division II Group B tournament was played in Sofia, Bulgaria from 17 to 23 March 2025.
The Division III Group A tournament was played in Mexico City, Mexico from 2 to 8 March 2025.
The Division III Group B tournament was played in Bangkok, Thailand from 28 February to 6 March 2025.