Below are the rosters for teams competing in the 2003 World Junior Ice Hockey Championships.
Rafail Ishmatov
Lou Vairo
Robert Spišák| Pos. | No. | Player | Team | NHL Rights | |
|---|---|---|---|---|---|
| GK | 1 | Ján Chovan | Sioux City Musketeers | Toronto Maple Leafs | |
| GK | 25 | Peter Ševela | HKm Zvolen | ||
| GK | 30 | Imrich Petrík | HK Lietajúce kone Prešov | ||
| D | 3 | Milan Varga | HC Košice | ||
| D | 5 | Peter Maček |  Montreal Rocket | ||
| D | 6 | Milan Jurčina | Halifax Mooseheads | Boston Bruins | |
| D | 7 | Richard Stehlík | Sherbrooke Castors | ||
| D | 8 | Dominik Graňák |  HC Slavia Praha | ||
| D | 17 | Oliver Maron | Belleville Bulls | ||
| D | 22 | Karol Sloboda | Ottawa 67's | ||
| D | 27 | Tomáš Slovák | Kelowna Rockets | Nashville Predators | |
| F | 10 | Juraj Sýkora | HC Slovan Bratislava | ||
| F | 14 | Ivan Koložváry | HK Dukla Trenčín | Toronto Maple Leafs | |
| F | 15 | Michal Važan | MHC Martin | ||
| F | 16 | Anton Zagora | HC Oceláři Třinec | ||
| F | 18 | Stanislav Valach | HC Slavia Praha | ||
| F | 19 | Samir Saliji | HK Nitra | ||
| F | 20 | Rastislav Špirko | MHC Martin | ||
| F | 21 | Michal Lukáč | Chicoutimi Saguenéens | ||
| F | 23 | Igor Pohanka | Prince Albert Raiders | New Jersey Devils | |
| F | 24 | Rastislav Lipka | Prince Albert Raiders | ||
| F | 27 | Tomáš Troliga | HC Košice | St. Louis Blues | |
| F | 29 | Michal Kokavec | HC Oceláři Třinec |
| Pos. | No. | Player | Team | NHL Rights | |
|---|---|---|---|---|---|
| GK | 1 | Daniel Manzato | Victoriaville Tigres | Carolina Hurricanes | |
| GK | 30 | Tobias Stephan | Kloten Flyers | Dallas Stars | |
| D | 2 | Lukas Baumgartner | Kloten Flyers | ||
| D | 3 | Jürg Dällenbach | SCL Tigers | ||
| D | 4 | Alan Tallarini | HC Ambrì-Piotta | ||
| D | 5 | Severin Blindenbacher | Kloten Flyers | Phoenix Coyotes | |
| D | 6 | Tim Ramholt | ZSC Lions | ||
| D | 7 | Philippe Furrer | SC Bern | ||
| D | 29 | Beat Forster | HC Davos | Phoenix Coyotes | |
| F | 10 | Andres Ambühl | HC Davos | ||
| F | 11 | Patrik Bärtschi | Kloten Flyers | Pittsburgh Penguins | |
| F | 12 | Cyrill Bühler | Kloten Flyers | ||
| F | 13 | Grégory Christen | HC Lugano | ||
| F | 14 | Florian Conz | HC Ajoie | ||
| F | 17 | Emanuel Peter | Kloten Flyers | Calgary Flames | |
| F | 18 | Kevin Gloor | EHC Olten | ||
| F | 19 | Roland Gerber | SCL Tigers | ||
| F | 21 | Kevin Romy | Genève-Servette HC | ||
| F | 22 | Victor Stăncescu | Kloten Flyers | ||
| F | 23 | Stefan Schnyder | GCK Lions | ||
| F | 24 | Caryl Neuenschwander | SC Bern | ||
| F | 26 | Romano Lemm | Kloten Flyers |
Vladimir Melenchuk| Pos. | No. | Player | Team | NHL Rights | |
|---|---|---|---|---|---|
| GK | 2 | Sergei Rogovsky | HK Gomel | ||
| GK | 22 | Dmitri Kamovich | HK Vitebsk | ||
| D | 3 | Andrei Korshunov | Neman Grodno | ||
| D | 4 | Anatoli Varivonchik | Yunost Minsk | ||
| D | 5 | Konstantin Durnov | Yunost Minsk | ||
| D | 7 | Vladimir Denisov | HK Vitebsk | ||
| D | 8 | Dmitri Parakhonko | HK Vitebsk | ||
| D | 27 | Dmitri Yudin | Yunost Minsk | ||
| D | 28 | Artyom Glinkin | Polimir Novopolotsk | ||
| D | 30 | Andrei Kozachek | Yunost Minsk | ||
| F | 9 | Vadim Karaga | Polimir Novopolotsk | ||
| F | 11 | Alexander Kulakov | HK Vitebsk | ||
| F | 12 | Vasili Gorbovoy | Polimir Novopolotsk | ||
| F | 14 | Artyom Volkov | Yunost Minsk | ||
| F | 15 | Alexander Zhidkikh | HK Vitebsk | ||
| F | 16 | Pavel Kutsevich | Neman Grodno | ||
| F | 17 | Yevgeni Kashtanov | Yunost Minsk | ||
| F | 16 | Sergei Khomko | Neman Grodno | ||
| F | 21 | Konstantin Zakharov | HK Gomel | ||
| F | 23 | Andrei Kostitsyn | HC CSKA Moscow | ||
| F | 25 | Alexei Yerashov | Yunost Minsk | ||
| F | 26 | Mikhail Grabovski | Yunost Minsk |
Marc Habscheid
Erkka Westerlund| Pos. | No. | Player | Team | NHL Rights | |
|---|---|---|---|---|---|
| GK | 1 | Kari Lehtonen | Jokerit | Atlanta Thrashers | |
| GK | 30 | Tuomas Nissinen | Ilves | St. Louis Blues | |
| D | 2 | Jussi Timonen | HC TPS | Philadelphia Flyers | |
| D | 3 | Topi Jaakola | Oulun Kärpät | Florida Panthers | |
| D | 4 | Joni Pitkänen | Oulun Kärpät | Philadelphia Flyers | |
| D | 5 | Mikko Kalteva | Jokerit | Colorado Avalanche | |
| D | 18 | Matti Näätänen | Espoo Blues | ||
| D | 19 | Teemu Jääskeläinen | Ilves | Chicago Blackhawks | |
| D | 25 | Tuomas Immonen | HPK | ||
| D | 28 | Janne Jalasvaara | Espoo Blues | ||
| F | 8 | Jesse Niinimäki | Ilves | Edmonton Oilers | |
| F | 10 | Sean Bergenheim | Jokerit | New York Islanders | |
| F | 12 | Valtteri Filppula | Jokerit | Detroit Red Wings | |
| F | 13 | Matti Aho | HC TPS | ||
| F | 14 | Tomi Mäki | Jokerit | Calgary Flames | |
| F | 15 | Tuomo Ruutu | HIFK | Chicago Blackhawks | |
| F | 17 | Henrik Juntunen | Oulun Kärpät | Los Angeles Kings | |
| F | 20 | Jussi Jokinen | Oulun Kärpät | Dallas Stars | |
| F | 21 | Juho Lehtisalo | HC TPS | ||
| F | 22 | Tomi Sykkö | Kokkolan Hermes | ||
| F | 23 | Tuomas Mikkonen | JYP Jyväskylä | Dallas Stars | |
| F | 24 | Juha Fagerstedt | HIFK |
Jaroslav Holík
Peo Larsson| Pos. | No. | Player | Team | NHL Rights | |
|---|---|---|---|---|---|
| GK | 1 | Mathias Fagerström | Timrå IK | ||
| GK | 30 | Michal Zajkowski | Modo Hockey | ||
| D | 2 | Johan Agu | Modo Hockey | ||
| D | 3 | Patrik Bäärnhielm | Luleå HF | ||
| D | 6 | Tobias Enström | Modo Hockey | ||
| D | 7 | Jonas Leetma | Frölunda HC | ||
| D | 9 | Mats Hansson | Timrå IK | ||
| D | 13 | Simon Skoog | Mörrums GoIS IK | St. Louis Blues | |
| D | 14 | Adam Masuhr | Brynäs IF | ||
| D | 20 | Fredrik Eriksson | Färjestad BK | ||
| F | 4 | Joakim Lindström | Modo Hockey | Columbus Blue Jackets | |
| F | 10 | Andreas Falk | Huddinge IK | ||
| F | 11 | Jonas Almtorp | Modo Hockey | Edmonton Oilers | |
| F | 12 | Mattias Beck | AIK IF | ||
| F | 16 | Yared Hagos | AIK IF | Dallas Stars | |
| F | 17 | Marcus Paulsson | Saskatoon Blades | New York Islanders | |
| F | 21 | Fredrik Sjöström | Calgary Hitmen | Phoenix Coyotes | |
| F | 22 | Andreas Valdix | Malmö Redhawks | ||
| F | 24 | Alexander Steen | Frölunda HC | Toronto Maple Leafs | |
| F | 25 | Andrée Brendheden | Tyringe SoSS | ||
| F | 28 | Andreas Jämtin | AIK IF | Detroit Red Wings | |
| F | 29 | Robert Nilsson | Leksands IF |
| Pos. | No. | Player | Team | NHL Rights | |
|---|---|---|---|---|---|
| GK | 1 | Patrick Ehelechner | Hannover Scorpions | ||
| GK | 30 | Dimitri Pätzold | Adler Mannheim | San Jose Sharks | |
| D | 6 | Alexander Sulzer | ESV Kaufbeuren | ||
| D | 9 | Martin Walter | EHC Freiburg | ||
| D | 10 | Felix Petermann | EV Füssen | ||
| D | 11 | Stefan Schauer | Kölner Haie | Ottawa Senators | |
| D | 13 | David Danner | EHC Freiburg | ||
| D | 14 | Robert Bartlick | Lausitzer Füchse | ||
| D | 25 | Stephan Wilhelm | SC Riessersee | ||
| D | 26 | Dirk Wrobel | SC Bietigheim-Bissingen | ||
| F | 4 | Daniel Menge | Tölzer Löwen | ||
| F | 7 | Marcel Goc | Adler Mannheim | San Jose Sharks | |
| F | 12 | Yannic Seidenberg | Adler Mannheim | ||
| F | 15 | Alexander Barta | Eisbären Berlin | ||
| F | 16 | Kai Hospelt | Kölner Haie | ||
| F | 18 | Adrian Grygiel | Krefeld Pinguine | ||
| F | 19 | Benjamin Barz | Landshut Cannibals | ||
| F | 22 | Martin Hinterstocker | SC Riessersee | ||
| F | 23 | Christoph Ullmann | Kölner Haie | ||
| F | 24 | Josef Menauer | Straubing Tigers | ||
| F | 27 | Maximilian Seyller | Landshut Cannibals | ||
| F | 28 | Marcus Kink | Kölner Haie |