The 2015 FIVB Volleyball Boys' U19 World Championship was held in Resistencia and Corrientes, Argentina from 14 to 23 August 2015.

The FIVB Sports Events Council confirmed a proposal to streamline the number of teams participating in the Age Group World Championships on 14 December 2013.

[1] *  South Korea was the 3rd highest team in the U19 World Ranking which were not yet qualified, but they declined participation.

Teams were seeded in the first two positions of each pool following the Serpentine system according to their FIVB U19 World Ranking as of December 2014.

[2] FIVB reserved the right to seed the hosts as head of Pool A regardless of the U19 World Ranking.