A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Players born on or after 1 January 1984 were eligible to participate in the tournament. Players' age as of 16 July 2003 – the tournament's opening day. Players in bold have later been capped at full international level.
Group A
Italy
Head coach: 
Paolo Berrettini
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | GK | Marco Paoloni | 21 February 1984 (aged 19) | 4 | 0 | Roma
|
| 2 | DF | Damiano Ferronetti | 1 November 1984 (aged 18) | 7 | 0 | Roma
|
| 3 | DF | Andrea Mantovani | 22 June 1984 (aged 19) | 9 | 0 | Torino
|
| 4 | MF | Gabriele Perico | 11 March 1984 (aged 19) | 8 | 2 | Atalanta
|
| 5 | DF | Mauro Belotti | 13 May 1984 (aged 19) | 9 | 1 | Atalanta
|
| 6 | DF | Giorgio Chiellini | 14 August 1984 (aged 18) | 13 | 1 | Livorno
|
| 7 | MF | Adriano D'Astolfo | 23 March 1984 (aged 19) | 10 | 0 | Lodigiani
|
| 8 | MF | Alberto Aquilani | 7 July 1984 (aged 19) | 10 | 0 | Roma
|
| 9 | FW | Luigi Della Rocca | 2 September 1984 (aged 18) | 7 | 1 | Bologna
|
| 10 | MF | Francesco Lodi | 23 March 1984 (aged 19) | 9 | 9 | Empoli
|
| 11 | FW | Gianpaolo Pazzini | 2 August 1984 (aged 18) | 6 | 4 | Atalanta
|
| 12 | GK | Andrea Ivaldi | 24 February 1984 (aged 19) | 6 | 0 | Genoa
|
| 13 | DF | Giuseppe Scurto | 5 January 1984 (aged 19) | 3 | 0 | Roma
|
| 14 | DF | Alessandro Potenza | 8 March 1984 (aged 19) | 5 | 0 | Internazionale
|
| 15 | MF | Mirko Stefani | 25 January 1984 (aged 19) | 3 | 0 | Milan
|
| 16 | MF | Simon Laner | 28 January 1984 (aged 19) | 4 | 0 | Hellas Verona
|
| 17 | MF | Simone Padoin | 18 March 1984 (aged 19) | 5 | 0 | Atalanta
|
| 18 | FW | Raffaele Palladino | 17 April 1984 (aged 19) | 2 | 2 | Juventus
|
Liechtenstein
Head Coach : 
Ralf Loose
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | GK | Daniel Steuble | 21 March 1984 (aged 19) |  Eschen/Mauren
| ||
| 2 | DF | Christoph Bühler | 31 January 1987 (aged 16) | Triesenberg
| ||
| 3 | DF | Sandro Maierhofer | 31 May 1985 (aged 18) | Balzers
| ||
| 4 | MF | Reto Mündle | 3 July 1984 (aged 19) | Vaduz
| ||
| 5 | DF | Franz-Josef Vogt | 30 October 1985 (aged 17) | Balzers
| ||
| 6 | DF | Matthias Biedermann | 13 August 1985 (aged 17) | Vaduz
| ||
| 7 | MF | Claudio Alabor | 20 January 1985 (aged 18) | Ruggell
| ||
| 8 | FW | Pascal Söldi | 23 February 1984 (aged 19) | Balzers
| ||
| 9 | MF | Martin Büchel | 19 February 1987 (aged 16) | Ruggell
| ||
| 10 | MF | Christoph Frick | 24 January 1984 (aged 19) | Vaduz
| ||
| 11 | FW | Mirco Stoffel | ||||
| 12 | GK | Florian Meier | 19 March 1986 (aged 17) | Ruggell
| ||
| 13 | MF | Michael Noser | ||||
| 14 | DF | Marc Messenger | ||||
| 15 | MF | Stefan Büchel | 30 June 1986 (aged 17) | Ruggell
| ||
| 16 | MF | Sandro Hasler | 7 December 1985 (aged 17) | Ruggell
| ||
| 17 | DF | Marco Ritzberger | 27 December 1986 (aged 16) | Vaduz[1]
| ||
| 18 | FW | Raphael Rohrer | 3 May 1985 (aged 18) | Schaan
|
Norway
Head coach: 
Egil Olsen
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | GK | Rune Jarstein | 29 September 1984 (aged 18) | Odd
| ||
| 2 | DF | Martin Overvik | 1 April 1984 (aged 19) | Alta
| ||
| 3 | DF | Kristian Flittie Onstad | 9 May 1984 (aged 19) | Lyn
| ||
| 4 | DF | Vegard Lie | 22 February 1984 (aged 19) | Odd
| ||
| 5 | DF | Gisle Refseth | 21 March 1984 (aged 19) | Rosenborg
| ||
| 6 | DF | Eirik Bertheussen | 2 April 1984 (aged 19) | Tromsø
| ||
| 7 | MF | Kjell André Thu | 8 July 1984 (aged 19) | Ørn-Horten
| ||
| 8 | FW | Olav Tuelo Johannesen | 23 February 1984 (aged 19) | Sandefjord
| ||
| 9 | FW | Branimir Poljac | 17 May 1984 (aged 19) | Stabæk
| ||
| 10 | MF | Petter Vaagan Moen | 5 February 1984 (aged 19) | Hamarkameratene
| ||
| 11 | MF | Jone Samuelsen | 6 July 1984 (aged 19) | Haugesund
| ||
| 12 | GK | Magnus Hjulstad | 15 March 1984 (aged 19) | Zdroj:https://en.wikipedia.org?pojem=2003_UEFA_European_Under-19_Championship_squads |