Below are the rosters for teams competing in the 2025 World Junior Ice Hockey Championships.

• Head coach: Dave Cameron^[1][2]

Pos.	No.	Player	Team	League	NHL Rights
G	1	Jack Ivankovic	Brampton Steelheads	OHL
G	30	Carter George	Owen Sound Attack	OHL	Los Angeles Kings
G	31	Carson Bjarnason	Brandon Wheat Kings	WHL	Philadelphia Flyers
D	2	Andrew Gibson	Sault Ste. Marie Greyhounds	OHL	Nashville Predators
D	3	Sam Dickinson	London Knights	OHL	San Jose Sharks
D	4	Caden Price	Kelowna Rockets	WHL	Seattle Kraken
D	5	Oliver Bonk	London Knights	OHL	Philadelphia Flyers
D	6	Tanner Molendyk	Saskatoon Blades	WHL	Nashville Predators
D	7	Sawyer Mynio	Seattle Thunderbirds	WHL	Vancouver Canucks
D	8	Beau Akey	Barrie Colts	OHL	Edmonton Oilers
D	25	Matthew Schaefer	Erie Otters	OHL
F	9	Gavin McKenna	Medicine Hat Tigers	WHL
F	10	Bradly Nadeau	Chicago Wolves	AHL	Carolina Hurricanes
F	11	Brayden Yager	Lethbridge Hurricanes	WHL	Winnipeg Jets
F	12	Jett Luchanko	Guelph Storm	OHL	Philadelphia Flyers
F	13	Luca Pinelli	Ottawa 67's	OHL	Columbus Blue Jackets
F	14	Berkly Catton	Spokane Chiefs	WHL	Seattle Kraken
F	16	Carson Rehkopf	Brampton Steelheads	OHL	Seattle Kraken
F	20	Ethan Gauthier	Drummondville Voltigeurs	QMJHL	Tampa Bay Lightning
F	21	Calum Ritchie	Oshawa Generals	OHL	Colorado Avalanche
F	22	Porter Martone	Brampton Steelheads	OHL
F	23	Tanner Howe	Calgary Hitmen	WHL	Pittsburgh Penguins
F	26	Cole Beaudoin	Barrie Colts	OHL	Utah Hockey Club
F	27	Easton Cowan	London Knights	OHL	Toronto Maple Leafs
F	28	Mathieu Cataford	Rimouski Océanic	QMJHL	Vegas Golden Knights

• Head coach: David Carle^[3]

Pos.	No.	Player	Team	League	NHL Rights
G	1	Trey Augustine	Michigan State University	B1G	Detroit Red Wings
G	30	Hampton Slukynsky	Western Michigan University	NCHC	Los Angeles Kings
G	31	Sam Hillebrandt	Barrie Colts	OHL
D	3	Logan Hensler	University of Wisconsin	B1G
D	4	Colin Ralph	St. Cloud State University	NCHC	St. Louis Blues
D	5	Drew Fortescue	Boston College	HE	New York Rangers
D	6	Adam Kleber	University of Minnesota Duluth	NCHC	Buffalo Sabres
D	14	Aram Minnetian	Boston College	HE	Dallas Stars
D	16	Paul Fischer	University of Notre Dame	B1G	Edmonton Oilers
D	24	Cole Hutson	Boston University	HE	Washington Capitals
D	28	Zeev Buium	University of Denver	NCHC	Minnesota Wild
F	2	Teddy Stiga	Boston College	HE	Winnipeg Jets
F	8	Brandon Svoboda	Boston University	HE	San Jose Sharks
F	9	Ryan Leonard	Boston College	HE	Washington Capitals
F	10	Carey Terrance	Erie Otters	OHL	Anaheim Ducks
F	11	Oliver Moore	University of Minnesota	B1G	Chicago Blackhawks
F	12	James Hagens	Boston College	HE
F	17	Danny Nelson	University of Notre Dame	B1G	New York Islanders
F	19	Trevor Connelly	Providence College	HE	Vegas Golden Knights
F	20	Joey Willis	Saginaw Spirit	OHL	Nashville Predators
F	22	Max Plante	University of Minnesota Duluth	NCHC	Detroit Red Wings
F	23	Austin Burnevik	St. Cloud State University	NCHC	Anaheim Ducks
F	34	Gabe Perreault	Boston College	HE	New York Rangers
F	36	Cole Eiserman	Boston University	HE	New York Islanders
F	74	Brodie Ziemer	University of Minnesota	B1G	Buffalo Sabres

• WM20 - International Ice Hockey Federation