This article shows the rosters of all participating teams at the 2019 FIVB Volleyball Men's U21 World Championship in Bahrain.
Argentina.
The following is the Argentine roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Alejandro Grossi
Brazil.
The following is the Brazilian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Giovane Gávio
Bahrain.
The following is the Bahraini roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Yusuf Khalifa
Canada.
The following is the Canadian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: João Paulo Bravo
China.
The following is the Chinese roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Hao Liu
Cuba.
The following is the Cuban roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Angel Cruz
Czech Republic.
The following is the Czech roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Jan Svoboda
Egypt.
The following is the Egyptian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Hossameldin Eissawy
Iran.
The following is the Iranian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Behrouz Ataei
Italy.
The following is the Italian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Monica Cresta
South Korea.
The following is the South Korean roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Kyungsuk Lee
Morocco.
The following is the Moroccan roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Khalid Berma
Poland.
The following is the Polish roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Michał Bąkiewicz
Puerto Rico.
The following is the Puerto Rican roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Francisco Negron
Russia.
The following is the Russian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Andrey Nozdrin
Tunisia.
The following is the Tunisian roster in the 2019 FIVB Volleyball Men's U21 World Championship.
Head coach: Amine Basdouri
References.
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