The Japan women's national under-21 volleyball team represents Japan in women's under-20 & under-21 volleyball events, it is controlled and managed by the Japanese Volleyball Association that is a member of Asian volleyball body Asian Volleyball Confederation (AVC) and the international volleyball body government the Fédération Internationale de Volleyball (FIVB).
Champions Runners up Third place Fourth place
Champions Runners up Third place Fourth place
The following is the Japanese roster for the 2025 U21 World Championship.
Head coach: Hiroyuki Yamaguchi