Group A
Canada
- Head coach: Dave Cameron [1] [2]
Below are the rosters for teams competing in the 2025 World Junior Ice Hockey Championships.
Canada Dave Cameron [1] [2] 
The Czech Republic men's national ice hockey team is the national ice hockey team of the Czech Republic. Since 2021, the team has been officially known in English as Czechia. It is one of the most successful national ice hockey teams in history and a member of the so-called "Big Six", the unofficial group of the six strongest men's ice hockey nations, along with Canada, Finland, Russia, Sweden and the United States. It is governed by the Czech Ice Hockey Association. The Czech Republic has 85,000 male players officially enrolled in organized hockey.
The Belarusian men's national ice hockey team is the national ice hockey team that represents Belarus. The team is controlled by the Belarusian Ice Hockey Association. Belarus was ranked 14th in the world by the IIHF as of the 2021 World Ranking.
The Kazakhstan men's national ice hockey team is controlled by Kazakhstan Ice Hockey Federation. Kazakhstan is ranked 16th in the world as of 2022. They have competed at the Winter Olympics twice, in 1998 and 2006. The national team joined the IIHF in 1992 and first played internationally at the 1993 Men's World Ice Hockey Championships. The team has frequently played at the elite division of the World Championship, often moving between there and the Division I level.
The Great Britain men's national ice hockey team is the national ice hockey team that represents the United Kingdom. A founding member of the International Ice Hockey Federation (IIHF) in 1908, the team is controlled by Ice Hockey UK.
The Hungarian men's national ice hockey team is the national ice hockey team of Hungary. They have participated in the IIHF European Championships, the IIHF World Hockey Championships and the Olympic Games since 1928. A consistent participant of the annual World Championship, Hungary has played at the Olympics three times, most recently in 1964. They are currently ranked 19th in the world by the IIHF.
The Armenian national ice hockey team is the national men's ice hockey team of Armenia. They hosted the Division III, Group B tournament of the 2010 World Championships. They are managed by the Ice Hockey Federation of Armenia.
The 2008 IIHF World U20 Championship, commonly referred to as the 2008 World Junior Ice Hockey Championships, was the 32nd edition of the Ice Hockey World Junior Championship. The elite group, what the IIHF refer to as the Top Division, was held in Pardubice and Liberec, Czech Republic, between 26 December 2007 and 5 January 2008. Canada won the gold medal for the fourth consecutive time. Sweden earned its first World Junior medal since 1996 by reaching the final.
The 2008 World Junior Ice Hockey Championship Division I was a pair of international ice hockey tournaments organized by the International Ice Hockey Federation. Division I represents the second level of the 2008 World Junior Ice Hockey Championships.
The 2008 World Junior Ice Hockey Championship Division II was a pair of international ice hockey tournaments organized by the International Ice Hockey Federation. Division II represents the third level of the 2008 World Junior Ice Hockey Championships.
The Japanese women's national ice hockey team represents Japan at the International Ice Hockey Federation's Women's World Championships, the Winter Olympics, and at other international ice hockey tournaments. The women's national team is governed by the Japan Ice Hockey Federation. Japan had 2,587 registered female players in 2017 and 1,439 as of 2020.
The International Ice Hockey Federation is a worldwide governing body for ice hockey. It is based in Zurich, Switzerland, and has 84 member countries.
The Canadian women's national under-18 ice hockey team is the national under-18 ice hockey team for women in Canada. The team represents Canada at the International Ice Hockey Federation's IIHF World Women's U18 Championships.
The Swedish women's national under-18 ice hockey team is the national women's junior ice hockey team of Sweden. The team represents Sweden at the International Ice Hockey Federation's Ice Hockey U18 Women's World Championship and other international ice hockey tournaments and events.
The United States men's national junior ice hockey team represents the United States at the IIHF World Junior Championship.
The German men's national under 20 ice hockey team is the national under-20 ice hockey team in Germany. The team represents Germany at the International Ice Hockey Federation's IIHF World Junior Championship.
The Australia men's national under-18 ice hockey team is controlled by Ice Hockey Australia and represents Australia in international under-18 ice hockey competitions. Australia plays in Division IIB of the IIHF World U18 Championships.
The 2025 IIHF World Championship will be co-hosted by Stockholm, Sweden, and Herning, Denmark, from 9 to 25 May 2025. This decision regarding Sweden was made at the 2018 semi-annual International Ice Hockey Federation (IIHF) congress in Malta, and was officially announced on 24 May 2019, at the IIHF's annual congress during the World Championships in Bratislava, Slovakia. At the same time, it was announced that Denmark would co-host the championship.
Anna Emily Nix is a German ice hockey player and member of the German national team. She is signed with SDE Hockey in the Swedish Women's Hockey League (SDHL) through the 2025–26 season.
James Hagens is an American college ice hockey player for Boston College of the National Collegiate Athletic Association (NCAA). He is considered a top prospect eligible for the 2025 NHL entry draft, and is widely projected to be the first overall pick, and if so, will become the ninth American-born player to be picked first overall, and the first since Jack Hughes in the 2019 NHL entry draft.
