This article shows the rosters of all participating teams at the Boys' U19 World Championship 2019 in Tunisia.
Pool A.
Belarus.
The following is the Belarusian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Kavaliou Aliaksei
Brazil.
The following is the Brazilian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Fabiano Preturlon Ribeiro
Chinese Taipei.
The following is the Chinese Taipei roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Teng-Chi Wang
Cuba.
The following is the Cuban roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Mario Raul Izquierdo Perez
Tunisia.
The following is the Tunisian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Ameur Nasraoui
Pool B.
Bulgaria.
The following is the Bulgarian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Plamen Hristov
Colombia.
The following is the Colombian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Carlos Felipe Osorio Arboleda
Czech Republic.
The following is the Czech roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Jindrich Licek
Iran.
The following is the Iranian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Mohammad Vakili
Italy.
The following is the Italian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Vincenzo Fanizza
Pool C.
Argentina.
The following is the Argentinian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Pablo Rico
Egypt.
The following is the Egyptian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Hassan Elhossary
The following is the German roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Matus Kalny
Japan.
The following is the Japanese roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Hiroshi Honda
Mexico.
The following is the Mexican roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Gabriela Isela Alarcón Gómez
Pool D.
Dominican Republic.
The following is the Dominican roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Loren Ricardo Rodriguez Martinez
South Korea.
The following is the Korean roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Kang Soo-young
Nigeria.
The following is the NGRerian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Sani Mohammed Musa
Russia.
The following is the Russian roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: Mikhail Nikolaev
The following is the American roster in the 2019 FIVB Volleyball Boys' U19 World Championship.
Head Coach: David Hunt
References.
 ;templatestyles src="Reflist/styles.css" / ;