[2] Head coach: Leonardo Seixas The following is the Canadian roster in the 2015 FIVB Volleyball Men's U21 World Championship.
[3] Head coach: John Barrett The following is the Chinese roster in the 2015 FIVB Volleyball Men's U21 World Championship.
[4] Head coach: Genyin Ju The following is the Cuban roster in the 2015 FIVB Volleyball Men's U21 World Championship.
[11] Head coach: Eduardo Murguia The following is the Polish roster in the 2015 FIVB Volleyball Men's U21 World Championship.
[13] Head coach: Mikhail Nikolaev The following is the Slovenian roster in the 2015 FIVB Volleyball Men's U21 World Championship.