This article shows the roster of all participating teams at the 2021 FIVB Volleyball Men's Nations League.

The following is the Argentine roster in the 2021 Men's Nations League.

2021 FIVB Volleyball Men's Nations League squads

Head coach: Marcelo Méndez

2 Federico Pereyra

3 Jan Martínez Franchi

5 Nicolás Uriarte

6 Cristian Poglajen

7 Facundo Conte

8 Agustín Loser

9 Santiago Danani

10 Nicolás Lazo

11 Sebastián Solé

12 Bruno Lima

13 Ezequiel Palacios

14 Pablo Crer

15 Luciano De Cecco

16 Luciano Palonsky

17 Nicolás Méndez

18 Martín Ramos

19 Franco Massimino

The following is the Australia roster in the 2021 Men's Nations League.

2021 FIVB Volleyball Men's Nations League squads

Head coach: Marcos Miranda

1 Beau Graham

2 Arshdeep Dosanjh

3 Steven Macdonald

7 James Weir

8 Trent O'Dea

11 Luke Perry

12 Nehemiah Mote

15 Luke Smith

16 Thomas Douglas-Powell

21 Nicholas Butler

27 Max Senica

28 Tim Taylor

29 Ethan Garrett

31 Matthew Aubrey

32 Elliot Azeez Oluwatobi

33 Sam Flowerday

34 Billy Greber

The following is the Brazil roster in the 2021 Men's Nations League.

2021 FIVB Volleyball Men's Nations League squads

Head coach: Carlos Schwanke

1 Bruno Rezende

3 João Rafael Ferreira

5 Maurício Borges Silva

6 Fernando Kreling

8 Wallace de Souza

9 Yoandy Leal

11 Gabriel Kavalkievicz

12 Isac Santos

13 Maurício Souza

14 Douglas Souza

15 Maique Nascimento

16 Lucas Saatkamp

17 Thales Hoss

18 Ricardo Lucarelli

21 Alan Souza

23 Flávio Gualberto

The following is the Bulgaria roster in the 2021 Men's Nations League.

Head coach: Silvano Prandi

1 Denis Karyagin

2 Stefan Chavdarov

3 Nikolay Kolev

4 Martin Atanasov

6 Vladimir Stankov

9 Georgi Seganov

10 Svetoslav Stankov

11 Aleks Grozdanov

12 Georgi Petrov

14 Asparuh Asparuhov

15 Gordan Lyutskanov

16 Vladislav Ivanov

19 Tsvetan Sokolov

22 Nikolay Kartev

24 Martin Ivanov

25 Radoslav Parapunov

26 Svetoslav Ivanov

The following is the Canada roster in the 2021 Men's Nations League.

Head coach: Glenn Hoag

1 Tyler Sanders

2 John Gordon Perrin

3 Steven Marshall

4 Nicholas Hoag

6 Jordan Pereira

7 Stephen Maar

8 Jay Blankenau

10 Ryan Sclater

11 Daniel Jansen Van Doorn

12 Lucas Van Berkel

13 Sharone Vernon-Evans

14 Eric Loeppky

17 Graham Vigrass

19 Blair Bann

20 Arthur Szwarc

21 Brett Walsh

23 Danny Demyanenko

The following is the France roster in the 2021 Men's Nations League.

Head coach: Laurent Tillie

1 Barthélémy Chinenyeze

2 Jenia Grebennikov

4 Jean Patry

6 Benjamin Toniutti

7 Kévin Tillie

8 Julien Lyneel

9 Earvin N'Gapeth

11 Antoine Brizard

12 Stéphen Boyer

14 Nicolas Le Goff

16 Daryl Bultor

17 Trévor Clévenot

18 Thibault Rossard

19 Yacine Louati

20 Benjamin Diez

21 Théo Faure

23 Léo Meyer

24 Moussé Gueye

The following is the Germany roster in the 2021 Men's Nations League.

Head coach: Andrea Giani

1 Christian Fromm

3 Ruben Schott

5 Moritz Reichert

6 Denis Kaliberda

7 David Sossenheimer

8 Marcus Böhme

10 Julian Zenger

13 Simon Hirsch

15 Noah Baxpöhler

16 Eric Burggräf

17 Jan Zimmermann

18 Florian Krage

19 Erik Röhrs

20 Linus Weber

21 Tobias Krick

25 Lukas Maase

The following is the Iran roster in the 2021 Men's Nations League.

Head coach: Vladimir Alekno

2 Milad Ebadipour

3 Reza Abedini

4 Saeid Marouf

6 Mohammad Mousavi

7 Purya Fayazi

8 Mohammadreza Hazratpour

9 Masoud Gholami

10 Amir Ghafour

11 Saber Kazemi

12 Morteza Sharifi

15 Ali Asghar Mojarrad

17 Meisam Salehi

18 Mohammad Taher Vadi

21 Arman Salehi

22 Amir Hossein Esfandiar

23 Bardia Saadat

24 Javad Karimi

The following is the Italy roster in the 2021 Men's Nations League.