The 2018 FIVB Volleyball Women's Nations League was the inaugural edition of the FIVB Volleyball Women's 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. The competition was held between May and July 2018, and the final round took place in the Nanjing Olympic Sports Centre, Nanjing, China. Argentina was the last placed challenger team after the preliminary round and will be replaced by Challenger Cup winners Bulgaria in the 2019 edition.