This article shows the roster of all participating teams for the men's indoor volleyball tournament at the 2020 Summer Olympics.
[5] Head coach: Vital Heynen The Venezuela roster was announced on 2 July 2021.
[8] Head coach: Renan Dal Zotto The France roster was announced on 18 June 2021.
[9] Head coach: Laurent Tillie The ROC roster was announced on 1 July 2021.
[11] Head coach: Antonio Giacobbe The United States roster was announced on 14 June 2021.