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.

Bahrain
A 12-player squad was announced on 6 July 2023.

Head coach: Saber Abdulwahed

Iran
A 12-player squad was announced on 6 July 2023.

Head coach: Gholamreza Momeni Moghaddam

Thailand
A 12-player squad was announced on 4 July 2023.

Head coach: Kampol Sripo

Tunisia
A 12-player squad was announced on 6 July 2023.

Head coach: Hosni Karamosly

Brazil
A 12-player squad was announced on 5 July 2023.

Head coach: Guilherme Novaes

Egypt
A 12-player squad was announced on 5 July 2023.

Head coach: Hani Moselhi

Italy
A 12-player squad was announced on 4 July 2023.

Head coach: Matteo Battocchio

Mexico
A 12-player squad was announced on 7 July 2023.

Head coach: Jorge Romero

Bulgaria
A 12-player squad was announced on 4 July 2023.

Head coach: Andrea Burattini

Canada
A 12-player squad was announced on 6 July 2023.

Head coach: Arnd Ludwig

India
A 12-player squad was announced on 6 July 2023.

Head coach: G. E. Sridharan

Poland
A 12-player squad was announced on 3 July 2023.

Head coach: Mateusz Grabda

Argentina
A 12-player squad was announced on 4 July 2023.

Head coach: Sebastián Fernández

Belgium
A 12-player squad was announced on 6 July 2023.

Head coach: Michel Mariën

Czech Republic
A 12-player squad was announced on 5 July 2023.

Head coach: Jan Svoboda

United States
A 12-player squad was announced on 30 June 2023.

Head coach: Andy Read