2019–20 V.League Division 1 Men's squads

This article is the rosters of each Japanese 2019–20 V.League Division 1 Men's clubs.

Suntory Sunbirds
The following is the roster of Suntory Sunbirds in 2019–20 season.

Head coach: 🇯🇵 Masaji Ogino

Panasonic Panthers
The following is the roster of Panasonic Panthers in 2019–20 season.

Head coach: 🇧🇷 Mauricio Paes

Wolf Dogs Nagoya
The following is the roster of Wolf Dogs Nagoya in 2019–20 season.

Head coach: 🇫🇮 Tommi Tiilikainen

JTEKT Stings
The following is the roster of JTEKT Stings in 2019–20 season.

Head coach: 🇯🇵 Shinji Takahashi

Toray Arrows
The following is the roster of Toray Arrows in 2019–20 season.

Head coach: 🇯🇵 Shinoda Ayumu

JT Thunders
The following is the roster of JT Thunders in 2019–20 season.

Head coach: Tine Sattler

Osaka Blazers Sakai
The following is the roster of Osaka Blazers Sakai in 2019–20 season.

Head coach: 🇺🇸 Gordon Mayforth

FC Tokyo
The following is the roster of FC Tokyo in 2019–20 season.

Head coach: 🇯🇵 Koichiro Shimbo

VC Nagano Tridents
The following is the roster of VC Nagano Tridents in 2019–20 season.

Head coach: Ahmad Masajedi

Oita Miyoshi Weisse Adler
The following is the roster of Oita Miyoshi Weisse Adler in 2019–20 season.

Head coach: 🇯🇵 Takashi Ogawa