Each national team has to submit a squad of 18 players, two of whom must be goalkeepers.
Players inboldface have been capped at full international level since the tournament.
Ages are as of the start of the tournament, 2 July 2017.
Head coach:Georgi Kipiani
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Giorgi Chochishvili | (1998-05-07)7 May 1998 (aged 19) |  Shevardeni-1906 Tbilisi | ||
| 12 | 1GK | Luka Gugeshashvili | (1999-04-29)29 April 1999 (aged 18) |  Jagiellonia Białystok | ||
| 2 | 2DF | Nikoloz Mali | (1999-01-27)27 January 1999 (aged 18) | Saburtalo Tbilisi | ||
| 3 | 2DF | Shalva Burjanadze | (1998-10-29)29 October 1998 (aged 18) | Torpedo Kutaisi | ||
| 4 | 2DF | Aleksandr Kakhidze | (1999-04-24)24 April 1999 (aged 18) |  Spartak Moscow | ||
| 5 | 2DF | Davit Kobouri(captain) | (1998-01-24)24 January 1998 (aged 19) | Dinamo Tbilisi | ||
| 13 | 2DF | Toma Khubashvili | (1998-07-29)29 July 1998 (aged 18) | Saburtalo Tbilisi | ||
| 21 | 2DF | Luka Lakvekheliani | (1998-10-22)22 October 1998 (aged 18) | Saburtalo Tbilisi | ||
| 6 | 3MF | Giorgi Kutsia | (1999-10-27)27 October 1999 (aged 17) | Dinamo Tbilisi | ||
| 7 | 3MF | Giorgi Kokhreidze | (1998-11-18)18 November 1998 (aged 18) | Saburtalo Tbilisi | ||
| 8 | 3MF | Davit Samurkasovi | (1998-02-05)5 February 1998 (aged 19) | Locomotive Tbilisi | ||
| 9 | 3MF | Vato Arveladze | (1998-04-03)3 April 1998 (aged 19) | Locomotive Tbilisi | ||
| 10 | 3MF | Giorgi Chakvetadze | (1999-08-29)29 August 1999 (aged 17) | Dinamo Tbilisi | ||
| 14 | 3MF | Giorgi Kochorashvili | (1999-06-29)29 June 1999 (aged 18) | Saburtalo Tbilisi | ||
| 11 | 4FW | Gabrieli Sagrishvili | (1998-06-17)17 June 1998 (aged 19) | Torpedo Kutaisi | ||
| 17 | 4FW | Nika Kvantaliani | (1998-02-06)6 February 1998 (aged 19) | Dinamo Batumi | ||
| 18 | 4FW | Temur Chogadze | (1998-05-05)5 May 1998 (aged 19) | Saburtalo Tbilisi | ||
| 20 | 4FW | Giorgi Arabidze | (1998-03-04)4 March 1998 (aged 19) |  Shakhtar Donetsk | ||
Head coach:Jan Suchopárek
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Jan Plachý | (1998-07-05)5 July 1998 (age 27) | 10 | 0 |  FK Teplice |
| 16 | 1GK | Martin Jedlička | (1998-01-24)24 January 1998 (age 28) | 10 | 0 | 1. FK Příbram |
| 3 | 2DF | Matěj Chaluš | (1998-02-02)2 February 1998 (age 28) | 10 | 0 | 1. FK Příbram |
| 4 | 2DF | Libor Holík | (1998-05-12)12 May 1998 (age 27) | 10 | 0 | Slavia Prague |
| 18 | 2DF | Denis Granečný | (1998-09-07)7 September 1998 (age 27) | 12 | 0 | Baník Ostrava |
| 21 | 2DF | František Čech | (1998-12-06)6 December 1998 (age 27) | 3 | 0 | Hradec Králové |
| 5 | 3MF | Daniel Mareček | (1998-05-30)30 May 1998 (age 27) | 10 | 1 | Sparta Prague |
| 6 | 3MF | Emil Tischler | (1998-03-13)13 March 1998 (age 27) | 6 | 1 | 1. FC Slovácko |
| 8 | 3MF | Michal Sadílek | (1999-05-31)31 May 1999 (age 26) | 10 | 2 |  PSV |
| 13 | 3MF | Alex Král | (1998-05-19)19 May 1998 (age 27) | 12 | 1 | Slavia Prague |
| 14 | 3MF | Filip Havelka | (1998-01-21)21 January 1998 (age 28) | 9 | 1 | Sparta Prague |
| 15 | 3MF | Ondřej Chvěja | (1998-07-17)17 July 1998 (age 27) | 8 | 2 | Baník Ostrava |
| 20 | 3MF | Michal Hlavatý | (1998-06-17)17 June 1998 (age 27) | 4 | 0 | Baník Sokolov |
| 7 | 4FW | Daniel Turyna | (1998-02-26)26 February 1998 (age 27) | 9 | 4 | Sparta Prague |
| 9 | 4FW | Ondřej Lingr | (1998-07-10)10 July 1998 (age 27) | 11 | 1 | Karviná |
| 10 | 4FW | Ondřej Šašinka(captain) | (1998-03-21)21 March 1998 (age 27) | 14 | 5 | Baník Ostrava |
| 12 | 4FW | Ondřej Novotný | (1998-05-02)2 May 1998 (age 27) | 6 | 1 | Sparta Prague |
| 19 | 4FW | Martin Graiciar | (1999-11-04)4 November 1999 (age 26) | 3 | 1 | Slovan Liberec |
On 16 June 2017,Sweden named their squad.[1] On 28 June 2017, defenderDennis Hadžikadunić, midfielderMattias Svanberg and midfielderSvante Ingelsson left the squad, being replaced byAnel Ahmedhodžić,Teddy Bergqvist andJoseph Ceesay.
Head coach:Claes Eriksson
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Marko Johansson | (1998-08-25)25 August 1998 (age 27) | 8 | 0 |  Trelleborgs FF |
| 12 | 1GK | Viktor Johansson | (1998-09-14)14 September 1998 (age 27) | 5 | 0 |  Aston Villa |
| 2 | 2DF | Mattias Andersson | (1998-03-13)13 March 1998 (age 27) | 12 | 1 |  Juventus |
| 3 | 2DF | Charlie Weberg | (1998-05-22)22 May 1998 (age 27) | 0 | 0 | Helsingborgs IF |
| 4 | 2DF | Joseph Colley | (1999-04-13)13 April 1999 (age 26) | 5 | 0 | Chelsea |
| 5 | 2DF | Anel Ahmedhodžić[a] | (1999-03-26)26 March 1999 (age 26) | 4 | 3 | Nottingham Forest |
| 6 | 2DF | Anton Kralj | (1998-03-12)12 March 1998 (age 27) | 12 | 0 | Malmö FF |
| 7 | 2DF | Thomas Isherwood | (1998-01-28)28 January 1998 (age 28) | 13 | 2 |  Bayern Munich |
| 9 | 3MF | Max Svensson | (1998-06-19)19 June 1998 (age 27) | 2 | 0 | Helsingborgs IF |
| 10 | 3MF | Carl Johansson | (1998-06-17)17 June 1998 (age 27) | 6 | 1 | Kalmar FF |
| 13 | 3MF | Joseph Ceesay[2] | (1998-06-03)3 June 1998 (age 27) | 2 | 0 | Vasalunds IF |
| 14 | 3MF | Dušan Jajić(captain) | (1998-07-04)4 July 1998 (age 27) | 15 | 2 | Hammarby IF |
| 15 | 3MF | Besard Sabović | (1998-01-05)5 January 1998 (age 28) | 13 | 0 | IF Brommapojkarna |
| 16 | 3MF | Samuel Adrian | (1998-03-02)2 March 1998 (age 27) | 1 | 0 | Malmö FF |
| 11 | 4FW | Jesper Karlsson | (1998-07-25)25 July 1998 (age 27) | 10 | 2 | IF Elfsborg |
| 17 | 4FW | Viktor Gyökeres | (1998-06-04)4 June 1998 (age 27) | 13 | 4 | IF Brommapojkarna |
| 18 | 4FW | Isac Lidberg | (1998-09-08)8 September 1998 (age 27) | 14 | 10 | Åtvidabergs FF |
| 8 | 4FW | Teddy Bergqvist | (1999-03-16)16 March 1999 (age 26) | 5 | 1 | Malmö FF |
On 25 June 2017,Portugal announced their final squad.[3] On 28 June, Madi Queta replaced injuredJosé Gomes.[4]
Head coach:Hélio Sousa
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Diogo Costa | (1999-09-19)19 September 1999 (aged 17) | 9 |  Porto | |
| 12 | 1GK | Daniel Figueira | (1998-07-20)20 July 1998 (aged 18) | 1 | Vitória de Guimarães | |
| 2 | 2DF | Diogo Dalot | (1999-03-18)18 March 1999 (aged 18) | 10 | Porto | |
| 3 | 2DF | Diogo Queirós | (1999-01-05)5 January 1999 (aged 18) | 8 | Porto | |
| 4 | 2DF | Diogo Leite | (1999-01-23)23 January 1999 (aged 18) | 1 | Porto | |
| 5 | 2DF | Abdu Conté | (1998-03-24)24 March 1998 (aged 19) | 6 | Sporting CP | |
| 15 | 2DF | João Queirós | (1998-04-22)22 April 1998 (aged 19) | 8 | Porto | |
| 6 | 3MF | Rui Pires | (1998-03-23)23 March 1998 (aged 19) | 5 | Porto | |
| 8 | 3MF | Gedson Fernandes | (1999-01-09)9 January 1999 (aged 18) | 5 | Benfica | |
| 10 | 3MF | Bruno Paz[5] | (1998-04-23)23 April 1998 (aged 19) | 6 | Sporting CP | |
| 14 | 3MF | Florentino Luís | (1999-08-19)19 August 1999 (aged 17) | 7 | Benfica | |
| 16 | 3MF | Miguel Luís | (1999-02-27)27 February 1999 (aged 18) | 9 | Sporting CP | |
| 18 | 3MF | Domingos Quina | (1999-11-18)18 November 1999 (aged 17) | 5 | West Ham United | |
| 11 | 4FW | Mesaque Djú | (1999-03-18)18 March 1999 (aged 18) | 5 | Benfica | |
| 13 | 4FW | Rui Pedro | (1998-03-20)20 March 1998 (aged 19) | 7 | Porto | |
| 9 | 4FW | Madi Queta[6] | (1998-10-21)21 October 1998 (aged 18) | 6 | Porto | |
| 7 | 4FW | João Filipe | (1999-03-29)29 March 1999 (aged 18) | 3 | Benfica | |
| 17 | 4FW | Rafael Leão | (1999-06-10)10 June 1999 (aged 18) | 9 | Sporting CP | |
On 25 June 2017,Germany announced their final squad.[7]Maxime Awoudja replacedSalih Özcan.[8]
Head coach:Frank Kramer
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Eike Bansen | (1998-02-21)21 February 1998 (aged 19) | 0 | 0 | Borussia Dortmund |
| 12 | 1GK | Markus Schubert | (1998-06-12)12 June 1998 (aged 19) | 7 | 0 | Dynamo Dresden |
| 2 | 2DF | Jonas Busam | (1998-05-03)3 May 1998 (aged 19) | 6 | 2 | SC Freiburg |
| 5 | 2DF | Jeff Chabot | (1998-02-12)12 February 1998 (aged 19) | 4 | 1 | Sparta Rotterdam |
| 3 | 2DF | Dominik Franke | (1998-10-05)5 October 1998 (aged 18) | 8 | 0 | RB Leipzig |
| 19 | 2DF | Maxime Awoudja | (1998-02-02)2 February 1998 (aged 19) | 0 | 0 | Bayern Munich |
| 16 | 3MF | Bote Baku | (1998-04-08)8 April 1998 (aged 19) | 8 | 3 | Mainz 05 |
| 7 | 3MF | Aymen Barkok[9] | (1998-05-21)21 May 1998 (aged 19) | 3 | 1 | Eintracht Frankfurt |
| 8 | 3MF | Sidney Friede | (1998-04-12)12 April 1998 (aged 19) | 4 | 0 | Hertha BSC |
| 9 | 3MF | Etienne Amenyido[10] | (1998-03-01)1 March 1998 (aged 19) | 4 | 4 | Borussia Dortmund |
| 6 | 3MF | Dennis Geiger | (1998-06-10)10 June 1998 (aged 19) | 9 | 0 | 1899 Hoffenheim |
| 14 | 3MF | Felix Götze | (1998-02-11)11 February 1998 (aged 19) | 0 | 0 | Bayern Munich |
| 4 | 3MF | Gökhan Gül | (1998-07-17)17 July 1998 (aged 18) | 12 | 2 | Fortuna Düsseldorf |
| 11 | 3MF | Robin Hack | (1998-08-27)27 August 1998 (aged 18) | 6 | 1 | 1899 Hoffenheim |
| 13 | 3MF | David Raum | (1998-04-22)22 April 1998 (aged 19) | 2 | 1 | Greuther Fürth |
| 15 | 3MF | Görkem Sağlam | (1998-04-11)11 April 1998 (aged 19) | 0 | 0 | VfL Bochum |
| 17 | 4FW | Mats Köhlert | (1998-05-02)2 May 1998 (aged 19) | 6 | 2 | Hamburger SV |
| 18 | 4FW | Tobias Warschewski | (1998-02-06)6 February 1998 (aged 19) | 2 | 1 | Preußen Münster |
Head coach:Keith Downing
| No. | Pos. | Player | Date of birth (age) | Club | ||
|---|---|---|---|---|---|---|
| 1 | 1GK | Aaron Ramsdale | (1998-05-14)14 May 1998 (aged 19) | Bournemouth | ||
| 13 | 1GK | Nathan Trott | (1998-11-21)21 November 1998 (aged 18) | West Ham United | ||
| 5 | 2DF | Trevoh Chalobah | (1999-07-05)5 July 1999 (aged 17) | Chelsea | ||
| 3 | 2DF | Jay Dasilva[11] | (1998-04-22)22 April 1998 (aged 19) | Chelsea | ||
| 4 | 2DF | Tayo Edun | (1998-05-14)14 May 1998 (aged 19) | Fulham | ||
| 2 | 2DF | Dujon Sterling | (1999-10-24)24 October 1999 (aged 17) | Chelsea | ||
| 16 | 2DF | Darnell Johnson | (1998-09-03)3 September 1998 (aged 18) | Leicester City | ||
| 6 | 2DF | Easah Suliman[12] | (1998-01-26)26 January 1998 (aged 19) | Aston Villa | ||
| 18 | 2DF | Reece James | (1999-12-08)8 December 1999 (aged 17) | Chelsea | ||
| 11 | 2DF | Ryan Sessegnon | (2000-05-18)18 May 2000 (aged 17) | Fulham | ||
| 8 | 3MF | Andre Dozzell | (1999-05-02)2 May 1999 (aged 18) | Ipswich Town | ||
| 17 | 3MF | Jacob Maddox | (1998-11-03)3 November 1998 (aged 18) | Chelsea | ||
| 10 | 3MF | Mason Mount | (1999-01-10)10 January 1999 (aged 18) | Chelsea | ||
| 14 | 3MF | Marcus Edwards | (1998-12-03)3 December 1998 (aged 18) | Tottenham Hotspur | ||
| 9 | 4FW | Ben Brereton[b] | (1999-04-18)18 April 1999 (aged 18) | Nottingham Forest | ||
| 7 | 4FW | Isaac Buckley-Ricketts | (1998-01-01)1 January 1998 (aged 19) | Manchester City | ||
| 15 | 4FW | Josh Dasilva | (1998-10-23)23 October 1998 (aged 18) | Arsenal | ||
| 12 | 4FW | Lukas Nmecha[c] | (1998-12-12)12 December 1998 (aged 18) | Manchester City | ||
On 21 June 2017, Bulgaria announced their final squad.[13]
Head coach:Angel Stoykov
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Daniel Naumov | (1998-03-29)29 March 1998 (aged 19) | 13 | 0 |  Ludogorets |
| 12 | 1GK | Dimitar Sheytanov | (1999-09-15)15 September 1999 (aged 17) | 1 | 0 | Levski Sofia |
| 2 | 2DF | Andrea Hristov | (1999-03-01)1 March 1999 (aged 18) | 7 | 0 | Slavia Sofia |
| 3 | 2DF | Vasil Dobrev | (1998-01-05)5 January 1998 (aged 19) | 12 | 0 | Septemvri Sofia |
| 4 | 2DF | Angel Lyaskov | (1998-03-18)18 March 1998 (aged 19) | 18 | 0 | CSKA Sofia |
| 5 | 2DF | Petar Genchev | (1998-08-29)29 August 1998 (aged 18) | 14 | 1 | Septemvri Sofia |
| 15 | 2DF | Petko Hristov | (1999-03-01)1 March 1999 (aged 18) | 12 | 0 | Slavia Sofia |
| 18 | 2DF | Mariyan Dimitrov | (1998-09-28)28 September 1998 (aged 18) | 11 | 1 | Septemvri Sofia |
| 6 | 3MF | Ivaylo Klimentov | (1998-02-03)3 February 1998 (aged 19) | 10 | 0 | Ludogorets |
| 7 | 3MF | Ivaylo Naydenov | (1998-03-22)22 March 1998 (aged 19) | 14 | 0 | Levski Sofia |
| 8 | 3MF | Georgi Yanev | (1998-01-04)4 January 1998 (aged 19) | 8 | 0 | Levski Sofia |
| 10 | 3MF | Georgi Rusev | (1998-07-02)2 July 1998 (aged 19) | 14 | 2 |  Elche |
| 11 | 3MF | Svetoslav Kovachev | (1998-03-14)14 March 1998 (aged 19) | 14 | 0 | Ludogorets |
| 20 | 3MF | Mateo Stamatov | (1999-03-22)22 March 1999 (aged 18) | 3 | 1 | Espanyol |
| 22 | 3MF | Ivan Tilev | (1999-01-05)5 January 1999 (aged 18) | 9 | 1 | Septemvri Sofia |
| 9 | 4FW | Tonislav Yordanov | (1998-11-27)27 November 1998 (aged 18) | 21 | 6 | CSKA Sofia |
| 16 | 4FW | Kaloyan Krastev | (1999-01-24)24 January 1999 (aged 18) | 8 | 6 | Slavia Sofia |
| 19 | 4FW | Stanislav Ivanov | (1999-04-16)16 April 1999 (aged 18) | 11 | 2 | Levski Sofia |
On 22 June 2017, theNetherlands named their squad.[14]
Head coach:Maarten Stekelenburg
| No. | Pos. | Player | Date of birth (age) | Caps | Goals | Club |
|---|---|---|---|---|---|---|
| 1 | 1GK | Justin Bijlow | (1998-01-22)22 January 1998 (age 28) | 9 | 0 | Feyenoord |
| 16 | 1GK | Maarten Paes[15] | (1998-05-14)14 May 1998 (age 27) | 2 | 0 | NEC |
| 5 | 2DF | Jurich Carolina[16] | (1998-07-15)15 July 1998 (age 27) | 12 | 0 | PSV |
| 2 | 2DF | Tristan Dekker | (1998-03-27)27 March 1998 (age 27) | 0 | 0 | VVV |
| 3 | 2DF | Robin Zwartjens | (1998-03-17)17 March 1998 (age 27) | 0 | 0 | Feyenoord |
| 13 | 2DF | Navajo Bakboord[17] | (1999-01-29)29 January 1999 (age 27) | 0 | 0 | Ajax |
| 4 | 2DF | Armando Obispo[18] | (1999-03-05)5 March 1999 (age 26) | 0 | 0 | PSV |
| 15 | 2DF | Boy Kemper | (1999-06-21)21 June 1999 (age 26) | 0 | 0 | Ajax |
| 8 | 3MF | Teun Koopmeiners | (1998-02-28)28 February 1998 (age 27) | 9 | 0 | AZ |
| 6 | 3MF | Dani de Wit | (1998-05-12)12 May 1998 (age 27) | 11 | 1 | Ajax |
| 12 | 3MF | Rodney Kongolo | (1998-01-09)9 January 1998 (age 28) | 7 | 0 | Manchester City |
| 11 | 3MF | Javairô Dilrosun | (1998-06-22)22 June 1998 (age 27) | 11 | 2 | Manchester City |
| 10 | 3MF | Ferdi Kadioglu[19] | (1999-10-07)7 October 1999 (age 26) | 3 | 2 | NEC |
| 18 | 3MF | Noa Lang | (1999-06-17)17 June 1999 (age 26) | 0 | 0 | Ajax |
| 14 | 3MF | Justin Lonwijk[20] | (1999-12-21)21 December 1999 (age 26) | 0 | 0 | PSV |
| 7 | 4FW | Jay-Roy Grot[21] | (1998-03-13)13 March 1998 (age 27) | 2 | 0 | NEC |
| 9 | 4FW | Joël Piroe | (1999-08-02)2 August 1999 (age 26) | 2 | 0 | PSV |
| 17 | 4FW | Ché Nunnely | (1999-02-04)4 February 1999 (age 27) | 0 | 0 | Ajax |