The 2018 FIVB Women's Volleyball Nations League was the inaugural edition of the FIVB Women's Volleyball Nations League, a new annual international women's volleyball tournament contested by 16 national teams that replaced the former World Grand Prix in the international calendar.

[2][3] Six-time World Grand Prix winners, United States won the inaugural edition, defeating Turkey in five sets on the final.

[2] Russia Argentina Netherlands Thailand China Belgium Dominican Republic South Korea United States Italy Poland Turkey Brazil Germany Japan Serbia Japan Belgium Netherlands United States South Korea Germany Italy Russia China Poland Serbia Thailand Turkey Argentina Brazil Dominican Republic Netherlands Brazil Poland South Korea Serbia Belgium Russia Turkey Thailand Dominican Republic Germany United States China Argentina Italy Japan Netherlands Dominican Republic Italy Serbia China Brazil Russia United States Thailand Japan South Korea Turkey Poland Argentina Belgium Germany Germany China Netherlands Turkey Poland Dominican Republic Japan Russia Italy Belgium Brazil Thailand Argentina Serbia South Korea United States The list of host cities and venues was announced on February 16, 2018.

[2] The 16 national teams involved in the tournament were required to register a squad of 21 players, which every week's 14-player roster must be selected from.

Each country must declare its 14-player roster two days before the start of each week's round-robin competition.