The 2025 IIHF U18 World Championship Division I consists of two international under-18 ice hockey tournaments organized by the International Ice Hockey Federation. Divisions I A and I B represent the second and the third tier of the IIHF World U18 Championship.
The Division I Group A tournament was played in Székesfehérvár, Hungary, from 20 to 26 April 2025.
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All times are local. (Central European Summer Time â UTC+2)
The Division I Group B tournament was played in Kaunas, Lithuania, from 13 to 19 April 2025.
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All times are local. (Eastern European Summer Time â UTC+3)