This article shows the roster of all participating teams at the 2019 FIVB Volleyball Women's Nations League. 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.
==== The following is the Belgian roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Gert Vande Broek
==== The following is the Brazilian roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: José Roberto Guimarães
==== The following is the Bulgarian roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Ivan Petkov
==== The following is the Chinese roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Lang Ping
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The following is the Dominican roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Marcos Kwiek
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The following is the German roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Felix Koslowski
==== The following is the Italian roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Davide Mazzanti
==== The following is the Japanese roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Kumi Nakada
==== The following is the Dutch roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Jamie Morrison
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The following is the German roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Jacek Nawrocki
==== The following is the Russian roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Alexander Krasilnikov
==== The following is the Serbian roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Zoran TerziÃÂ
==== The following is the Korean roster in the 2019 FIVB Volleyball Women's Nations League.
Head coach: Stefano Lavarini
==== The following is the Thai roster in the 2019 FIVB Volleyball Women's Nations League. <br> Head coach: Danai Sriwatcharamethakul
==== The following is the Turkish roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Giovanni Guidetti
==== The following is the American roster in the 2019 FIVB Volleyball Women's Nations League
Head coach: Karch Kiraly