The 2017 FIVB Volleyball Girls' U18 World Championship was the fifteenth edition of the international volleyball tournament and the world championship for women's national teams under the age of 18, organized by the sport's world governing body, FIVB. The tournament was hosted by Argentina in the cities of Rosario and Santa Fe from 18 to 27 August 2017. 20 teams from the 5 confederations competed in the tournament.