2010 World Junior Ice Hockey Championships rosters


 * Head coach: 🇨🇦 Willie Desjardins


 * Head coach: 🇸🇰 Štefan Mikeš


 * Head coach: 🇺🇸 Dean Blais


 * Head coach: Andrejs Maticins


 * Head coach: Jakob Kölliker


 * Head coach: 🇸🇪 Pär Mårts


 * Head coach: 🇷🇺 Vladimir Plyushchev


 * Head coach: 🇨🇿 Jaromir Sindel


 * Head coach: 🇫🇮 Hannu Jortikka


 * Head coach: 🇦🇹 Dieter Werfring

NHL prospects by team
There were 84 NHL-drafted prospects playing in the tournament, out of 219 total players. This is an increase of 14.5% over the previous edition of this tournament which had 72. The Latvian and Austrian teams did not have any NHL prospects on their rosters. There were also several eligible for the 2010 draft.