This article shows the roster of all participating teams at the 2019 FIVB Volleyball Men's Nations League.
The 16 national teams involved in the tournament each registered a squad of at least 21 players, from which every week's 14-player roster was selected.
[3] Head coach: Renan Dal Zotto The following is the Bulgaria roster in the 2019 Men's VNL.
[15] Head coach: Vital Heynen / Jakub Bednaruk The following is the Portugal roster in the 2019 Men's Nations League.
[20] Head coach: Nikola Grbić The following is the United States roster in the 2019 Men's Nations League.