# 2023 FIVB Volleyball Men's U21 World Championship squads

This article shows the 12-player roster of all participating teams at the 2023 FIVB Volleyball Men's U21 World Championship.

## Pool A
### Bahrain

A 12-player squad was announced on 6 July 2023.
Head coach: Saber Abdulwahed
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* OH
* Husain Ehsan
* (2003-04-02)2 April 2003 (aged 20)
* 1.94 m
* 4
* S
* Ali Al-Bosta
* (2003-11-13)13 November 2003 (aged 19)
* 1.85 m
* 5
* MB
* Hasan Warqaa
* (2005-04-24)24 April 2005 (aged 18)
* 1.99 m
* Dar Kulaib
* 6
* OH
* Sayed Hashem Ali
* (2003-07-30)30 July 2003 (aged 19)
* 1.83 m
* Nabih Saleh
* 7
* MB
* Ali Abdulwahab
* (2004-12-29)29 December 2004 (aged 18)
* 1.95 m
* Bani Jamra
* 8
* OH
* Ali Al-Arab
* (2003-11-09)9 November 2003 (aged 19)
* 1.87 m
* Dar Kulaib
* 9
* S
* Sadeq Marhoon
* (2003-02-16)16 February 2003 (aged 20)
* 1.79 m
* Nabih Saleh
* 10
* OH
* Sayed Ahmed Ali
* (2003-10-28)28 October 2003 (aged 19)
* 1.88 m
* 12
* L
* Husain Ramadhan
* (2003-02-12)12 February 2003 (aged 20)
* 1.72 m
* Nabih Saleh
* 13
* L
* Mohamed Abdulla
* (2005-03-12)12 March 2005 (aged 18)
* 1.78 m
* 15
* MB
* Hasan Al-Aiwi
* (2004-11-07)7 November 2004 (aged 18)
* 1.89 m
* Dar Kulaib
* 17
* OH
* Abbas Ehsan
* (2006-08-13)13 August 2006 (aged 16)
* 1.89 m

### Iran

A 12-player squad was announced on 6 July 2023.
Head coach: Gholamreza Momeni Moghaddam
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 2
* L
* Sajad Jelodarian
* (2003-01-19)19 January 2003 (aged 20)
* 1.83 m
* Eefa Ceram Ardakan
* 3
* MB
* Mahdi Bayati
* (2004-06-07)7 June 2004 (aged 19)
* 2.02 m
* 4
* OH
* Porya Hosseinpour
* (2003-03-18)18 March 2003 (aged 20)
* 1.95 m
* 5
* OH
* Mobin Nasri
* (2003-01-07)7 January 2003 (aged 20)
* 2.01 m
* Shahrdari Urmia VC
* 7
* OH
* Younes Javan
* (2003-09-22)22 September 2003 (aged 19)
* 1.91 m
* Nian Electronic Khorasan
* 8
* OP
* Amir Mohammad Golzadeh
* (2003-05-09)9 May 2003 (aged 20)
* 2.05 m
* Saipa Tehran VC
* 9
* OH
* Poriya Hossein Khanzadeh
* (2004-07-01)1 July 2004 (aged 19)
* 1.98 m
* Haraz Amol
* 10
* MB
* Shayan Sepehri Fard
* (2004-03-22)22 March 2004 (aged 19)
* 1.95 m
* Shahrdari Urmia VC
* 12
* S
* Pendar Momeni Moghaddam
* (2003-04-14)14 April 2003 (aged 20)
* 1.92 m
* 13
* MB
* Erfan Norouzi
* (2003-07-12)12 July 2003 (aged 19)
* 2.02 m
* Haraz Amol
* 15
* S
* Arshia Behnezhad
* (2003-08-04)4 August 2003 (aged 19)
* 1.94 m
* Saipa Tehran VC
* 19
* OH
* Ali Haghparast
* (2004-12-16)16 December 2004 (aged 18)
* 1.98 m

### Thailand

A 12-player squad was announced on 4 July 2023.
Head coach: Kampol Sripo
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* S
* Kritsadikon Bunsuk
* (2005-06-22)22 June 2005 (aged 18)
* 1.80 m
* Thailand National Sports
* 2
* OH
* Jakkrit Thanomnoi
* (2004-06-08)8 June 2004 (aged 19)
* 1.85 m
* Kasetsart University
* 3
* OH
* Kittipong Sangsak
* (2005-02-27)27 February 2005 (aged 18)
* 1.85 m
* Kham Thale so Wittaya School
* 4
* OH
* Panya Bootsamrit
* (2004-01-08)8 January 2004 (aged 19)
* 1.90 m
* Thailand National Sports
* 5
* OP
* Paitoon Paradech
* (2004-06-17)17 June 2004 (aged 19)
* 1.89 m
* Thailand National Sports
* 8
* S
* Pramot Yotsanthia
* (2003-05-08)8 May 2003 (aged 20)
* 1.80 m
* Nakhon Ratchasima College
* 9
* MB
* Withawat Ponsaen
* (2004-06-04)4 June 2004 (aged 19)
* 1.95 m
* Nakhon Ratchasima College
* 10
* L
* Phutidol Takabut
* (2003-07-08)8 July 2003 (aged 19)
* 1.75 m
* Samut Prakan VC
* 11
* MB
* Panupong Khumpumee
* (2003-12-01)1 December 2003 (aged 19)
* 1.93 m
* Thailand National Sports
* 15
* OH
* Suwit Aboubaca Sow
* (2003-08-25)25 August 2003 (aged 19)
* 1.96 m
* Thailand National Sports
* 18
* L
* Narathon Muangkot
* (2003-04-06)6 April 2003 (aged 20)
* 1.69 m
* Plookpanya School
* 19
* MB
* Chutiphong Muangkao
* (2004-12-28)28 December 2004 (aged 18)
* 1.97 m
* Thailand National Sports

### Tunisia

A 12-player squad was announced on 6 July 2023.
Head coach: Hosni Karamosly
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* S
* Walid Baccour
* (2003-02-18)18 February 2003 (aged 20)
* 1.96 m
* Grand Nancy Volley-Ball
* 2
* MB
* Mahdi Ben Tahar
* (2004-09-17)17 September 2004 (aged 18)
* 2.04 m
* 4
* OP
* Khaled Bouallegue
* (2003-11-07)7 November 2003 (aged 19)
* 1.94 m
* 6
* OH
* Abdelaziz Kallel
* (2003-06-11)11 June 2003 (aged 20)
* 1.99 m
* 7
* OH
* Adem El-Meddeb
* (2003-04-01)1 April 2003 (aged 20)
* 1.85 m
* 11
* L
* Youssef Ben Arab
* (2003-06-24)24 June 2003 (aged 20)
* 1.84 m
* 12
* OH
* Achref Bouaziz
* (2003-10-11)11 October 2003 (aged 19)
* 2.00 m
* 13
* OP
* Slah Trabelsi
* (2003-02-28)28 February 2003 (aged 20)
* 1.92 m
* 15
* OH
* Bassem Lemjid
* (2003-10-25)25 October 2003 (aged 19)
* 1.91 m
* 17
* S
* Yassine Glaoui
* (2003-06-17)17 June 2003 (aged 20)
* 1.87 m
* 19
* MB
* Ahmed Boussabah
* (2003-04-14)14 April 2003 (aged 20)
* 2.05 m
* 20
* MB
* Ramzi Dhouibi
* (2003-10-20)20 October 2003 (aged 19)
* 1.95 m

## Pool B
### Brazil

A 12-player squad was announced on 5 July 2023.
Head coach: Guilherme Novaes
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 2
* S
* Gustavo Cardoso
* (2003-06-28)28 June 2003 (aged 20)
* 1.90 m
* Vôlei Guarulhos
* 5
* L
* Filipe Baioco
* (2003-01-16)16 January 2003 (aged 20)
* 1.81 m
* Minas Tênis Clube
* 6
* OH
* Guilherme Amorim
* (2004-05-23)23 May 2004 (aged 19)
* 1.96 m
* Vôlei Renata
* 7
* MB
* Thierry Nascimento
* (2003-06-02)2 June 2003 (aged 20)
* 2.04 m
* Vôlei Bauru
* 8
* OP
* Samuel Neufeld
* (2004-08-18)18 August 2004 (aged 18)
* 2.03 m
* Minas Tênis Clube
* 12
* S
* Eduardo Faquin
* (2004-10-17)17 October 2004 (aged 18)
* 1.85 m
* Park University
* 13
* OH
* João Lima
* (2003-07-07)7 July 2003 (aged 20)
* 1.94 m
* Goiás Vôlei
* 14
* MB
* Maicon França
* (2004-04-27)27 April 2004 (aged 19)
* 2.15 m
* Araguari Vôlei
* 17
* OP
* Bryan da Silva
* (2005-11-01)1 November 2005 (aged 17)
* 2.04 m
* Minas Tênis Clube
* 18
* MB
* Henrique de Paula
* (2005-05-09)9 May 2005 (aged 18)
* 1.99 m
* Minas Tênis Clube
* 19
* OH
* Arthur Bento
* (2004-06-08)8 June 2004 (aged 19)
* 2.05 m
* Minas Tênis Clube
* 20
* OH
* Lukas Bergmann
* (2004-03-25)25 March 2004 (aged 19)
* 2.04 m
* Vôlei Bauru

### Egypt

A 12-player squad was announced on 5 July 2023.
Head coach: Hani Moselhi
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 4
* OP
* Zyad Mohamed
* (2003-03-25)25 March 2003 (aged 20)
* 1.95 m
* 5
* OH
* Aly Khalifa
* (2003-05-10)10 May 2003 (aged 20)
* 1.91 m
* 7
* OH
* Hazem Abdalla
* (2003-02-26)26 February 2003 (aged 20)
* 1.92 m
* 11
* S
* Omar Hermash
* (2004-10-01)1 October 2004 (aged 18)
* 1.97 m
* Zamalek SC
* 12
* L
* Yassen Aboulhassan
* (2004-01-20)20 January 2004 (aged 19)
* 1.76 m
* 13
* S
* Yassin Eid
* (2004-01-28)28 January 2004 (aged 19)
* 1.80 m
* 14
* OP
* Ahmed El-Labany
* (2003-07-15)15 July 2003 (aged 19)
* 1.83 m
* 15
* MB
* Ahmed Ibrahim
* (2003-09-21)21 September 2003 (aged 19)
* 2.06 m
* 17
* MB
* Abdelrahman Mohammed
* (2003-02-03)3 February 2003 (aged 20)
* 2.00 m
* Zamalek SC
* 21
* OH
* Hamza Awad
* (2005-09-17)17 September 2005 (aged 17)
* 1.88 m
* 22
* MB
* Abdalla Said
* (2003-09-08)8 September 2003 (aged 19)
* 1.91 m
* 23
* OH
* Amr El-Zomor
* (2003-02-16)16 February 2003 (aged 20)
* 1.92 m
* Zamalek SC

### Italy

A 12-player squad was announced on 4 July 2023.
Head coach: Matteo Battocchio
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 2
* S
* Mattia Boninfante
* (2004-06-26)26 June 2004 (aged 19)
* 1.88 m
* Volley Treviso
* 5
* MB
* Nicolò Volpe
* (2003-02-11)11 February 2003 (aged 20)
* 1.97 m
* Power Volley Milano
* 6
* MB
* Mattia Eccher
* (2003-04-11)11 April 2003 (aged 20)
* 2.00 m
* Diavoli Rosa
* 7
* OP
* Alessandro Bovolenta
* (2004-05-27)27 May 2004 (aged 19)
* 2.02 m
* Porto Robur Costa 2030
* 8
* OP
* Edwin Arguelles
* (2003-06-17)17 June 2003 (aged 20)
* 1.98 m
* Kemas Lamipel
* 10
* MB
* Filippo Bartolucci
* (2003-07-23)23 July 2003 (aged 19)
* 1.96 m
* Volley Lube
* 11
* S
* Alessandro Fanizza
* (2004-12-11)11 December 2004 (aged 18)
* 1.92 m
* Matervolley Castellana
* 13
* L
* Gabriele Laurenzano
* (2003-06-12)12 June 2003 (aged 20)
* 1.76 m
* Trentino Volley
* 14
* OH
* Mattia Orioli
* (2004-03-23)23 March 2004 (aged 19)
* 1.99 m
* Volley Club Cesena
* 15
* L
* Matteo Staforini
* (2003-05-23)23 May 2003 (aged 20)
* 1.91 m
* Diavoli Rosa
* 18
* OH
* Riccardo Iervolino
* (2003-01-22)22 January 2003 (aged 20)
* 1.96 m
* Pallavolo Padova
* 19
* OH
* Federico Roberti
* (2004-03-19)19 March 2004 (aged 19)
* 1.90 m
* Virtus Volley Verona

### Mexico

A 12-player squad was announced on 7 July 2023.
Head coach: Jorge Romero
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* MB
* Juan García
* (2003-06-24)24 June 2003 (aged 20)
* 2.06 m
* 2
* OH
* Jorge Hernández
* (2003-08-14)14 August 2003 (aged 19)
* 1.97 m
* Baja California
* 3
* OH
* Leonardo Maldonado
* (2003-05-28)28 May 2003 (aged 20)
* 1.90 m
* 7
* OH
* Inés Vargas
* (2006-07-24)24 July 2006 (aged 16)
* 1.95 m
* Sinaloa
* 9
* OH
* Jorge Ibarra
* (2003-10-21)21 October 2003 (aged 19)
* 1.91 m
* 10
* L
* Isai Castañeda
* (2003-09-19)19 September 2003 (aged 19)
* 1.75 m
* 11
* S
* Alán Molina
* (2003-06-28)28 June 2003 (aged 20)
* 1.85 m
* 12
* S
* Martín Arredondo
* (2004-11-14)14 November 2004 (aged 18)
* 1.82 m
* 13
* OH
* Ramón González
* (2003-01-20)20 January 2003 (aged 20)
* 1.97 m
* 15
* MB
* Diego Esquivel
* (2004-06-13)13 June 2004 (aged 19)
* 1.95 m
* 20
* MB
* Hugo Beltrán
* (2003-12-24)24 December 2003 (aged 19)
* 1.90 m
* 22
* OP
* Ángel Domínguez
* (2004-03-12)12 March 2004 (aged 19)
* 2.09 m

## Pool C
### Bulgaria

A 12-player squad was announced on 4 July 2023.
Head coach: Andrea Burattini
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 3
* MB
* Lazar Bouchkov
* (2004-05-12)12 May 2004 (aged 19)
* 1.98 m
* Levski Volley
* 4
* OH
* Erik Stoev
* (2003-04-10)10 April 2003 (aged 20)
* 1.92 m
* Slivnishki Geroy
* 5
* S
* Borislav Nikolov
* (2003-06-07)7 June 2003 (aged 20)
* 1.95 m
* Deya Volley
* 6
* OP
* Venislav Antov
* (2004-04-06)6 April 2004 (aged 19)
* 1.96 m
* Levski Volley
* 8
* OH
* Daniel Pavlov
* (2004-03-01)1 March 2004 (aged 19)
* 1.88 m
* Levski Volley
* 9
* OH
* Vladimir Garkov
* (2003-10-02)2 October 2003 (aged 19)
* 1.97 m
* Levski Volley
* 10
* S
* Stoil Palev
* (2003-05-21)21 May 2003 (aged 20)
* 1.88 m
* Levski Volley
* 11
* OH
* Aleksandar Nikolov
* (2003-11-30)30 November 2003 (aged 19)
* 2.07 m
* Volley Lube
* 12
* OP
* Georgi Tatarov
* (2003-05-10)10 May 2003 (aged 20)
* 1.98 m
* CSKA Sofia
* 13
* MB
* Ivaylo Damyanov
* (2003-01-11)11 January 2003 (aged 20)
* 2.01 m
* Marek Union-Ivkoni
* 14
* L
* Georgi Mitov
* (2003-07-27)27 July 2003 (aged 19)
* 1.85 m
* Slivnishki Geroy
* 15
* MB
* Viktor Bodurov
* (2003-07-05)5 July 2003 (aged 20)
* 1.99 m
* Slavia 2017

### Canada

A 12-player squad was announced on 6 July 2023.
Head coach: Arnd Ludwig
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* OP
* Brendan Mills
* (2003-03-22)22 March 2003 (aged 20)
* 2.00 m
* McMaster Marauders
* 2
* S
* Samuel Ludwig
* (2004-08-08)8 August 2004 (aged 18)
* 1.93 m
* Manitoba Bisons
* 4
* S
* Mason Greves
* (2003-02-26)26 February 2003 (aged 20)
* 1.85 m
* UBC Thunderbirds
* 5
* L
* Josh Jehle
* (2003-01-20)20 January 2003 (aged 20)
* 1.81 m
* Manitoba Bisons
* 7
* OH
* Kaden Schmidt
* (2004-10-01)1 October 2004 (aged 18)
* 1.95 m
* Trinity Western Spartans
* 9
* MB
* Lucas Musschoot
* (2004-03-10)10 March 2004 (aged 19)
* 2.02 m
* Saskatchewan Huskies
* 10
* OH
* Isaiah Mamer
* (2004-08-20)20 August 2004 (aged 18)
* 1.89 m
* Saskatchewan Huskies
* 11
* MB
* Cory Schoenherr
* (2003-03-17)17 March 2003 (aged 20)
* 2.03 m
* Trinity Western Spartans
* 12
* OH
* Reeve Gingera
* (2004-08-29)29 August 2004 (aged 18)
* 1.95 m
* UBC Thunderbirds
* 13
* OH
* Jacob Sargent
* (2004-10-18)18 October 2004 (aged 18)
* 2.00 m
* Alberta Golden Bears and Pandas
* 16
* OH
* Spencer Grahame
* (2003-04-03)3 April 2003 (aged 20)
* 1.99 m
* Manitoba Bisons
* 18
* MB
* Jonah Dueck
* (2003-07-29)29 July 2003 (aged 19)
* 1.99 m
* Manitoba Bisons

### India

A 12-player squad was announced on 6 July 2023.
Head coach: G. E. Sridharan
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* OH
* Aman Kumar
* (2004-01-10)10 January 2004 (aged 19)
* 1.97 m
* 2
* OH
* Bharanidharan Selvam
* (2003-01-13)13 January 2003 (aged 20)
* 1.90 m
* 3
* S
* Sandeep
* (2003-07-12)12 July 2003 (aged 19)
* 1.94 m
* 5
* MB
* Mohammad Razza
* (2004-12-11)11 December 2004 (aged 18)
* 2.01 m
* 7
* S
* Sameer Chaudhary
* (2003-07-29)29 July 2003 (aged 19)
* 1.96 m
* 9
* OH
* Tanish Choudhary
* (2004-11-21)21 November 2004 (aged 18)
* 1.93 m
* SUNY Delhi
* 10
* OP
* Harshit Giri
* (2003-09-02)2 September 2003 (aged 19)
* 1.98 m
* 11
* MB
* Dushyant Singh
* (2003-12-03)3 December 2003 (aged 19)
* 2.05 m
* Kochi Blue Spikers
* 13
* MB
* Sachin Dagar
* (2003-07-23)23 July 2003 (aged 19)
* 2.02 m
* 17
* L
* Karthikeyan Kaleeswaran
* (2003-04-07)7 April 2003 (aged 20)
* 1.79 m
* 18
* OP
* Ajeet Sheko
* (2004-10-10)10 October 2004 (aged 18)
* 1.94 m
* 19
* OP
* Yougank Baliyan
* (2004-11-11)11 November 2004 (aged 18)
* 1.90 m

### Poland

A 12-player squad was announced on 3 July 2023.
Head coach: Mateusz Grabda
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* MB
* Jakub Majchrzak
* (2004-05-13)13 May 2004 (aged 19)
* 2.07 m
* SMS PZPS Spała
* 2
* OH
* Kamil Szymendera
* (2003-04-30)30 April 2003 (aged 20)
* 1.91 m
* AZS Olsztyn
* 6
* OH
* Jakub Olszewski
* (2003-01-30)30 January 2003 (aged 20)
* 1.90 m
* Krispol Września
* 7
* S
* Kajetan Kubicki
* (2003-02-09)9 February 2003 (aged 20)
* 1.90 m
* Cuprum Lubin
* 8
* OP
* Tytus Nowik
* (2003-01-10)10 January 2003 (aged 20)
* 1.92 m
* Gwardia Wrocław
* 9
* MB
* Mateusz Kufka
* (2003-11-08)8 November 2003 (aged 19)
* 2.04 m
* PSG KPS Siedlce
* 10
* OP
* Aliaksiei Nasevich
* (2003-06-05)5 June 2003 (aged 20)
* 1.97 m
* Trefl Gdańsk
* 11
* OH
* Piotr Śliwka
* (2003-06-03)3 June 2003 (aged 20)
* 1.88 m
* BKS Visła Bydgoszcz
* 14
* L
* Kuba Hawryluk
* (2003-09-08)8 September 2003 (aged 19)
* 1.81 m
* AZS Olsztyn
* 16
* MB
* Mateusz Nowak
* (2004-02-29)29 February 2004 (aged 19)
* 2.14 m
* SMS PZPS Spała
* 18
* S
* Damian Biliński
* (2003-08-02)2 August 2003 (aged 19)
* 1.95 m
* Norwid Częstochowa
* 20
* OH
* Marcel Hendzelewski
* (2004-02-29)29 February 2004 (aged 19)
* 1.90 m
* Lechia Tomaszów Mazowiecki

## Pool D
### Argentina

A 12-player squad was announced on 4 July 2023.
Head coach: Sebastián Fernández
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* L
* Manuel Albrecht
* (2004-05-17)17 May 2004 (aged 19)
* 1.83 m
* Club Ciudad de Bolívar
* 2
* OH
* Lucas Conde
* (2004-10-06)6 October 2004 (aged 18)
* 1.93 m
* Club Voleibol Guaguas
* 4
* S
* Ezequiel Vázquez
* (2004-03-07)7 March 2004 (aged 19)
* 1.82 m
* Club Ciudad de Bolívar
* 6
* OP
* Germán Gómez
* (2003-04-19)19 April 2003 (aged 20)
* 1.91 m
* Mutual Policial
* 7
* OH
* Nahuel Rojas
* (2003-11-28)28 November 2003 (aged 19)
* 1.92 m
* River Plate
* 8
* OH
* Giuliano Turcitu
* (2003-03-24)24 March 2003 (aged 20)
* 1.89 m
* River Plate
* 11
* MB
* Nahuel García
* (2004-01-28)28 January 2004 (aged 19)
* 1.94 m
* Once Unidos
* 12
* MB
* Imanol Salazar
* (2003-12-12)12 December 2003 (aged 19)
* 2.02 m
* River Plate
* 14
* MB
* Nicolás Oldani
* (2003-04-06)6 April 2003 (aged 20)
* 1.96 m
* Mutual Policial
* 16
* OP
* Pablo Denis
* (2003-03-21)21 March 2003 (aged 20)
* 2.02 m
* River Plate
* 18
* S
* Luca Ovalles
* (2004-10-31)31 October 2004 (aged 18)
* 1.82 m
* Amuvoca
* 19
* OH
* Fausto Díaz
* (2006-04-11)11 April 2006 (aged 17)
* 1.93 m
* Náutico Avellaneda

### Belgium

A 12-player squad was announced on 6 July 2023.
Head coach: Michel Mariën
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* S
* Tijl Van Looveren
* (2003-02-01)1 February 2003 (aged 20)
* 1.90 m
* VBC Waremme
* 5
* OP
* Basil Dermaux
* (2003-02-09)9 February 2003 (aged 20)
* 1.98 m
* Volley Menen
* 7
* OP
* Ferre Reggers
* (2003-07-18)18 July 2003 (aged 19)
* 2.03 m
* VC Maaseik
* 8
* MB
* Jasper Verhamme
* (2004-03-18)18 March 2004 (aged 19)
* 1.98 m
* VT Marke-Webis
* 10
* OP
* Jippe Schroeven
* (2003-03-04)4 March 2003 (aged 20)
* 1.99 m
* VBC Waremme
* 11
* OH
* Sietse De Bruyn
* (2004-03-08)8 March 2004 (aged 19)
* 1.93 m
* Volley Haasrode Leuven
* 12
* OH
* Kobe Verwimp
* (2005-01-13)13 January 2005 (aged 18)
* 1.81 m
* Topsportschool Vilvoorde
* 16
* OH
* Lennert Beelaert
* (2003-06-19)19 June 2003 (aged 20)
* 2.01 m
* Volley Haasrode Leuven
* 17
* MB
* Simon Vlahovic
* (2003-10-24)24 October 2003 (aged 19)
* 1.96 m
* St. Francis Brooklyn Terriers
* 18
* MB
* Robbe Van Loon
* (2003-11-18)18 November 2003 (aged 19)
* 2.03 m
* VBC Waremme
* 19
* OH
* Pierre Perin
* (2004-02-20)20 February 2004 (aged 19)
* 1.91 m
* VBC Waremme
* 20
* S
* Robbe Ponseele
* (2005-01-25)25 January 2005 (aged 18)
* 1.81 m
* Topsportschool Vilvoorde

### Czech Republic

A 12-player squad was announced on 5 July 2023.
Head coach: Jan Svoboda
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 7
* OH
* Jiří Benda
* (2003-11-16)16 November 2003 (aged 19)
* 1.88 m
* Black Volley Beskydy
* 9
* MB
* Jakub Klajmon
* (2003-02-20)20 February 2003 (aged 20)
* 2.00 m
* Tours VB
* 11
* S
* Šimon Bryknar
* (2003-09-12)12 September 2003 (aged 19)
* 1.93 m
* VK Dukla Liberec
* 12
* OP
* David Kollátor
* (2003-01-15)15 January 2003 (aged 20)
* 2.00 m
* VK Lvi Praha
* 13
* S
* Martin Hilšer
* (2005-11-14)14 November 2005 (aged 17)
* 1.90 m
* SK Kojetín Volejbal
* 14
* OH
* Matěj Pastrňák
* (2005-11-25)25 November 2005 (aged 17)
* 1.99 m
* VK Karlovarsko
* 15
* MB
* Tomáš Bukáček
* (2003-06-18)18 June 2003 (aged 20)
* 1.99 m
* Volejbal Brno
* 16
* L
* Matěj Šálek
* (2003-01-16)16 January 2003 (aged 20)
* 1.83 m
* VK Lvi Praha
* 17
* OP
* Jakub Pelikán
* (2004-09-30)30 September 2004 (aged 18)
* 1.94 m
* VK Ostrava
* 18
* MB
* Jan Černý
* (2005-03-26)26 March 2005 (aged 18)
* 2.12 m
* VK Lvi Praha
* 19
* OH
* Jan Krča
* (2003-11-17)17 November 2003 (aged 19)
* 1.94 m
* VK Lvi Praha
* 21
* OH
* Josef Leština
* (2004-09-06)6 September 2004 (aged 18)
* 2.02 m
* VK České Budějovice

### United States

A 12-player squad was announced on 30 June 2023.
Head coach: Andy Read
* No.
* Pos.
* Name
* Date of birth (age)
* Height
* Club
* 1
* L
* Ryan Merk
* (2003-04-11)11 April 2003 (aged 20)
* 1.83 m
* Penn State Nittany Lions
* 5
* OH
* Dillon Klein
* (2003-06-11)11 June 2003 (aged 20)
* 1.93 m
* USC Trojans
* 6
* S
* Island Doty
* (2003-12-21)21 December 2003 (aged 19)
* 1.96 m
* Long Beach State Beach
* 12
* S
* Andrew Rowan
* (2003-07-29)29 July 2003 (aged 19)
* 2.01 m
* UCLA Bruins
* 13
* OP
* Shane Wetzel
* (2004-05-18)18 May 2004 (aged 19)
* 2.01 m
* Ohio State Buckeyes
* 16
* MB
* Nyherowo Omene
* (2003-06-05)5 June 2003 (aged 20)
* 2.03 m
* Princeton Tigers
* 17
* OH
* Trent Moser
* (2003-10-10)10 October 2003 (aged 19)
* 2.03 m
* Arizona Wildcats
* 20
* OH
* Zach Rama
* (2004-07-12)12 July 2004 (aged 18)
* 2.03 m
* UCLA Bruins
* 21
* MB
* Marc Smith
* (2004-09-09)9 September 2004 (aged 18)
* 2.11 m
* Akron Zips
* 22
* MB
* Owen Rose
* (2003-02-23)23 February 2003 (aged 20)
* 2.03 m
* Penn State Nittany Lions
* 23
* OH
* Alex Rottman
* (2004-02-05)5 February 2004 (aged 19)
* 2.01 m
* Stanford Cardinal
* 25
* OP
* Theo Snoey
* (2004-03-16)16 March 2004 (aged 19)
* 2.03 m
* Stanford Cardinal