Below are the rosters for teams competing in the 2023 World Junior Ice Hockey Championships.
Marco Pewal[1]| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Benedikt Oschgan | Black Wings Linz | AUT | ||
| G | 29 | Thomas Pfarrmaier | EC Red Bull Salzburg | AUT | ||
| G | 30 | Michael Sicher | EC KAC | AUT | ||
| D | 3 | Lukas Horl | EC Red Bull Salzburg | AUT | ||
| D | 4 | Lorenz Lindner | Black Wings Linz | AUT | ||
| D | 5 | David Reinbacher | EHC Kloten | NL | ||
| D | 9 | Aron Summer | VEU Feldkirch | AUT | ||
| D | 12 | Tobias Sablattnig | EC KAC | AUT | ||
| D | 16 | Christoph Tialler | EC KAC | AUT | ||
| D | 28 | Patrick Pfarrmaier | Black Wings Linz | AUT | ||
| F | 2 | Jack Linton |  Des Moines Buccaneers | USHL | ||
| F | 7 | Luca Erne | VEU Feldkirch | AUT | ||
| F | 10 | Max Stiegler | EC Red Bull Salzburg | AUT | ||
| F | 11 | Johannes Tschurnig | EC VSV | AUT | ||
| F | 13 | Luca Auer | EC Red Bull Salzburg | AUT | ||
| F | 14 | Vinzenz Rohrer |  Ottawa 67s | OHL | Montreal Canadiens | |
| F | 15 | Finn van Ee | EC KAC | AUT | ||
| F | 17 | Ian Scherzer |  Rögle BK | SHL | ||
| F | 21 | Tim Geifes | EC VSV | AUT | ||
| F | 22 | David Cernik | EC Red Bull Salzburg | AUT | ||
| F | 23 | Jonas Dobnig | New Jersey Rockets | USPHL | ||
| F | 26 | Jakob Engelhart | EA Steiermark | AUT U20 | ||
| F | 27 | Stefan Klassek | EC KAC | AUT |
Dennis Williams[2]| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Thomas Milic | Seattle Thunderbirds | WHL | ||
| G | 29 | Benjamin Gaudreau | OHL | San Jose Sharks | ||
| D | 2 | Nolan Allan | Seattle Thunderbirds | WHL | Chicago Blackhawks | |
| D | 3 | Olen Zellweger | WHL | Anaheim Ducks | ||
| D | 4 | Tyson Hinds | QMJHL | Anaheim Ducks | ||
| D | 5 | Brandt Clarke | Los Angeles Kings | NHL | Los Angeles Kings | |
| D | 24 | Ethan Del Mastro | OHL | Chicago Blackhawks | ||
| D | 25 | Kevin Korchinski | WHL | Chicago Blackhawks | ||
| D | 27 | Jack Matier | OHL | Nashville Predators | ||
| F | 7 | Brennan Othmann | OHL | New York Rangers | ||
| F | 8 | Owen Beck | OHL | Montreal Canadiens | ||
| F | 9 | Joshua Roy | QMJHL | Montreal Canadiens | ||
| F | 10 | Logan Stankoven | WHL | Dallas Stars | ||
| F | 11 | Dylan Guenther | NHL | Arizona Coyotes | ||
| F | 12 | Reid Schaefer | WHL | Edmonton Oilers | ||
| F | 14 | Zach Dean | QMJHL | Vegas Golden Knights | ||
| F | 15 | Shane Wright | NHL | Seattle Kraken | ||
| F | 16 | Connor Bedard | Regina Pats | WHL | ||
| F | 17 | Colton Dach | Kelowna Rockets | WHL | Chicago Blackhawks | |
| F | 18 | Caedan Bankier | WHL | Minnesota Wild | ||
| F | 19 | Adam Fantilli | University of Michigan | NCAA | ||
| F | 20 | Zack Ostapchuk | WHL | Ottawa Senators | ||
| F | 21 | Nathan Gaucher | QMJHL | Anaheim Ducks |
INJ: Owen Beck was named as an injury replacement for Colton Dach midway through the tournament.[3]
Radim Rulík[4]| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Daniel Král | HC Bílí Tygři Liberec | CZE | ||
| G | 29 | Oliver Šatný | Cape Breton Eagles | QMJHL | ||
| G | 30 | Tomáš Suchánek | Tri-City Americans | WHL | ||
| D | 3 | David Špaček | QMJHL | Minnesota Wild | ||
| D | 4 | Jiří Ticháček | Rytíři Kladno | CZE | ||
| D | 5 | David Jiříček | Cleveland Monsters | AHL | Columbus Blue Jackets | |
| D | 6 | Aleš Čech |  Oulun Kärpät | FIN | ||
| D | 8 | David Moravec | Halifax Mooseheads | QMJHL | ||
| D | 9 | Tomáš Hamara | OHL | Ottawa Senators | ||
| D | 14 | Stanislav Svozil | WHL | Columbus Blue Jackets | ||
| F | 11 | Adam Měchura | Tri-City Americans | WHL | ||
| F | 12 | Jakub Brabenec | QMJHL | Vegas Golden Knights | ||
| F | 15 | Jakub Kos | Ilves | FIN | Florida Panthers | |
| F | 16 | Marcel Marcel | Gatineau Olympiques | QMJHL | ||
| F | 17 | Petr Hauser | CZE | New Jersey Devils | ||
| F | 18 | Matouš Menšík | HC Olomouc | CZE | ||
| F | 20 | Robin Sapoušek | HC Energie Karlovy Vary | CZE | ||
| F | 21 | Jaroslav Chmelař | NCAA | New York Rangers | ||
| F | 24 | Matyáš Šapovaliv | OHL | Vegas Golden Knights | ||
| F | 25 | Jiří Kulich | AHL | Buffalo Sabres | ||
| F | 26 | Martin Ryšavý | WHL | Columbus Blue Jackets | ||
| F | 27 | Gabriel Szturc | Kelowna Rockets | WHL | ||
| F | 28 | Eduard Šalé | HC Kometa Brno | CZE |
| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Rihards Babulis | EC Bad Nauheim | DEL2 | ||
| G | 29 | Simon Wolf | Red Bull Hockey Juniors | ALPsHL | ||
| G | 30 | Nikita Quapp | Eisbären Berlin | DEL | Carolina Hurricanes | |
| D | 2 | Rayan Bettahar | Eisbären Berlin | DEL | ||
| D | 4 | Philip Sinn | Red Bull Hockey Juniors | ALPsHL | ||
| D | 5 | Nils Elten | Iserlohn Roosters | DEL | ||
| D | 12 | Leon van der Linde | ESV Kaufbeuren | DEL2 | ||
| D | 22 | Philipp Bidoul | ESV Kaufbeuren | DEL2 | ||
| D | 27 | Julian Waser | Lausitzer Füchse | DEL2 | ||
| D | 28 | Adrian Klein | Straubing Tigers | DEL | ||
| F | 10 | Yannick Proske | Iserlohn Roosters | DEL | ||
| F | 11 | Philipp Krening | Red Bull Hockey Juniors | ALPsHL | ||
| F | 13 | Nikolaus Heigl | Red Bull Hockey Juniors | ALPsHL | ||
| F | 14 | Quirin Bader | Red Bull Hockey Juniors | ALPsHL | ||
| F | 15 | Bennet Roßmy | Eisbären Berlin | DEL | ||
| F | 15 | Luca Hauf | Edmonton Oil Kings | WHL | ||
| F | 18 | Julian Lutz | EHC Red Bull München | DEL | Arizona Coyotes | |
| F | 19 | Eric Hordler | Eisbären Berlin | DEL | ||
| F | 20 | Veit Oswald | EHC Red Bull München | DEL | ||
| F | 21 | Ryan del Monte | London Knights | OHL | ||
| F | 23 | Thomas Heigl | Red Bull Hockey Juniors | ALPsHL | ||
| F | 24 | Roman Kechter | Nuremberg Ice Tigers | DEL | ||
| F | 25 | Robin van Calster | Kölner Haie | DEL |
Magnus Hävelid[6]| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Ian Blomquist | Västerås IK | SWE-2 | ||
| G | 30 | Marcus Brännman | USHL | |||
| G | 35 | Carl Lindbom | Allsv | Vegas Golden Knights | ||
| D | 2 | Elias Pettersson | SHL | Vancouver Canucks | ||
| D | 3 | Hugo Jonasson | SHL | |||
| D | 4 | Axel Sandin-Pellikka | SHL | |||
| D | 6 | Victor Sjöholm | SHL | |||
| D | 7 | Calle Odelius | SWE-2 | New York Islanders | ||
| D | 8 | Adam Engström | SHL | Montreal Canadiens | ||
| D | 9 | Ludvig Jansson | SWE-2 | Florida Panthers | ||
| D | 15 | Jakob Norén | SWE-2 | |||
| F | 10 | Fabian Wagner | SHL | Winnipeg Jets | ||
| F | 11 | Fabian Lysell | AHL | Boston Bruins | ||
| F | 12 | Noah Östlund | SWE-2 | Buffalo Sabres | ||
| F | 18 | Filip Bystedt | Linköping HC | SHL | San Jose Sharks | |
| F | 19 | Isak Rosén | AHL | Buffalo Sabres | ||
| F | 20 | Liam Öhgren | SWE-2 | Minnesota Wild | ||
| F | 21 | Leo Carlsson | SHL | |||
| F | 23 | William Strömgren | SHL | Calgary Flames | ||
| F | 24 | Jonathan Lekkerimäki | Allsv | Vancouver Canucks | ||
| F | 25 | Milton Oscarson | SHL | |||
| F | 26 | Victor Stjernborg | SHL | Chicago Blackhawks | ||
| F | 27 | Oskar Pettersson | SHL | Ottawa Senators | ||
| F | 28 | Simon Robertsson | SHL | St. Louis Blues |
Tomi Lämsä[7]| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Niklas Kokko | Oulun Kärpät | FIN | Seattle Kraken | |
| G | 30 | Aku Koskenvuo | Harvard University | ECAC | Vancouver Canucks | |
| G | 31 | Jani Lampinen | Kiekko-Espoo | FIN-2 | ||
| D | 3 | Otto Salin | HIFK | FIN | Los Angeles Kings | |
| D | 4 | Ville Ruotsalainen | KalPa | FIN | ||
| D | 6 | Kalle Ervasti | Lukko | FIN | ||
| D | 7 | Aleksi Malinen | FIN | New York Islanders | ||
| D | 10 | Topias Vilen | FIN | New Jersey Devils | ||
| D | 21 | Aleksi Heimosalmi | FIN | Carolina Hurricanes | ||
| F | 13 | Topi Ronni | Tappara | FIN | Calgary Flames | |
| F | 15 | Lenni Hameenaho | FIN | |||
| F | 18 | Verner Miettinen | Fargo Force | USHL | ||
| F | 22 | Jani Nyman | Ilves | FIN | Seattle Kraken | |
| F | 23 | Kalle Väisänen | TPS | FIN | New York Rangers | |
| F | 24 | Ville Koivunen | Oulun Kärpät | FIN | Carolina Hurricanes | |
| F | 25 | Konsta Kapanen | KalPa | FIN | ||
| F | 27 | Oliver Kapanen | KalPa | FIN | Montreal Canadiens | |
| F | 28 | Sami Paivarinta | Lukko | FIN | ||
| F | 29 | Niko Huuhtanen | Mikkelin Jukurit | FIN | Tampa Bay Lightning | |
| F | 33 | Brad Lambert | Manitoba Moose | AHL | Winnipeg Jets | |
| F | 34 | Aleksanteri Kaskimaki | HIFK | FIN | St. Louis Blues | |
| F | 37 | Joakim Kemell | JYP Jyväskylä | FIN | Nashville Predators |
| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Linards Lipskis | Bismarck Bobcats | NAHL | ||
| G | 29 | Kārlis Mežsargs | Tri-City Storm | USHL | ||
| G | 30 | Patriks Bērziņš | Danbury Jr. Hat Tricks | NA3HL | ||
| D | 3 | Rihards Simanovičs | Amarillo Wranglers | NAHL | ||
| D | 4 | Niks Feņenko | Baie-Comeau Drakkar | QMJHL | ||
| D | 5 | Silvers Lazarenoks | HK Zemgale/LLU | LAT | ||
| D | 9 | Gustavs Ozoliņš | NAHL | |||
| D | 16 | Dario Mackevičs | LAT | |||
| D | 17 | Bogdans Hodass | WHL | |||
| F | 28 | Edgars Kazaks | HK Zemgale/LLU | LAT | ||
| F | 6 | Martins Laviņš | Cedar Rapids Roughriders | USHL | ||
| F | 7 | Rainers Rullers | HK Zemgale/LLU | LAT | ||
| F | 10 | Emīls Veckaktiņš | HC Lugano | NL | ||
| F | 11 | Dans Ločmelis | Luleå HF | SHL | Boston Bruins | |
| F | 12 | Roberts Cjunskis | HC Lugano | NL | ||
| F | 14 | Rainers Dārziņš | Skellefteå AIK | SHL | ||
| F | 15 | Ģirts Silkalns | Fargo Force | USHL | ||
| F | 19 | Darels Dukurs | SCL Tigers | NL | ||
| F | 20 | Pēteris Purmalis | HK Zemgale/LLU | LAT | ||
| F | 21 | Anrī Ravinskis | Blainville-Boisbriand Armada | QMJHL | ||
| F | 22 | Sandis Vilmanis | Sarnia Sting | OHL | Florida Panthers | |
| F | 23 | Rodžers Bukarts | ZSC Lions | NL | ||
| F | 27 | Klāvs Veinbergs | Lincoln Stars | USHL | Tampa Bay Lightning |
Ivan Feneš[9]| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Patrik Andrisík | HK Brezno | SVK-2 | ||
| G | 29 | Matej Marinov | Fargo Force | USHL | ||
| G | 30 | Adam Gajan | Green Bay Gamblers | USHL | ||
| D | 3 | Šimon Bečár | Corpus Christi IceRays | NAHL | ||
| D | 4 | Maxim Štrbák | Sioux Falls Stampede | USHL | ||
| D | 5 | Dávid Nátny | HC 21 Prešov | SVK | ||
| D | 7 | Šimon Nemec | AHL | New Jersey Devils | ||
| D | 12 | Pavol Funtek | FIN-2 | |||
| D | 16 | Šimon Groch | HK Spišská Nová Ves | SVK | ||
| F | 9 | Adam Žlnka | Sioux Falls Stampede | USHL | Arizona Coyotes | |
| F | 10 | Filip Mešár | OHL | Montreal Canadiens | ||
| F | 13 | Róbert Bačo | Moose Jaw Warriors | WHL | ||
| F | 14 | Adam Sýkora | HK Nitra | SVK | New York Rangers | |
| F | 15 | Dalibor Dvorský | AIK | SWE-2 | ||
| F | 18 | Servác Petrovský | Owen Sound Attack | OHL | Minnesota Wild | |
| F | 19 | Samuel Honzek | Vancouver Giants | WHL | ||
| F | 20 | Libor Nemec | Lukko | FIN | ||
| F | 21 | Peter Repčík | Charlottetown Islanders | QMJHL | ||
| F | 22 | Alex Čiernik | Södertälje SK | SWE-2 | ||
| F | 25 | František Dej | Slovan Bratislava | SVK | ||
| F | 26 | Marcel Štefančík | Luleå HF | SHL |
| Pos. | No. | Player | Team | League | NHL Rights | |
|---|---|---|---|---|---|---|
| G | 1 | Alessio Beglieri | Mississauga Steelheads | OHL | ||
| G | 29 | Mathieu Croce | HC Davos | NL | ||
| G | 30 | Kevin Pasche | Omaha Lancers | USHL | ||
| D | 4 | Rodwin Dionicio | Niagara IceDogs | OHL | ||
| D | 5 | Nick Meile | SC Bern | NL | ||
| D | 9 | Brian Zanetti | Peterborough Petes | OHL | Philadelphia Flyers | |
| D | 20 | Lian Bichsel | SHL | Dallas Stars | ||
| D | 21 | Dario Sidler | NL | |||
| D | 22 | Vincent Despont | QMJHL | |||
| D | 28 | Maximilian Streule | Blainville-Boisbriand Armada | QMJHL | ||
| F | 9 | Mischa Ramel | NL | |||
| F | 8 | Mats Alge | SC Rapperswil-Jona Lakers | NL | ||
| F | 10 | Jonas Taibel | Moncton Wildcats | QMJHL | ||
| F | 11 | Jeremy Jabola | SC Bern | NL | ||
| F | 13 | Louis Robin | Val d'Or Foreurs | QMJHL | ||
| F | 14 | Lorenzo Canonica | Shawinigan Cataractes | QMJHL | ||
| F | 16 | Livio Truog | ZSC Lions | NL | ||
| F | 17 | Attilo Biasca | Halifax Mooseheads | QMJHL | ||
| F | 18 | Nicolas Baechler | ZSC Lions | NL | ||
| F | 19 | Nicolas Perrenoud | Lausanne HC | NL | ||
| F | 24 | Liekit Reichle | ZSC Lions | NL | ||
| F | 27 | Miles Müller | Moncton Wildcats | QMJHL |
Rand Pecknold[11]