This article shows the squads of all participating teams at the men's field hockey tournament at the 2020 Summer Olympics in Tokyo.
In July 2021, the IOC allowed teams to nominate up to 18 players instead of the usual 16, due to the COVID-19 pandemic.
Age, caps and club as of 24 July 2021.
Group A Argentina
The squad was announced on 14 June 2021.
Head coach: Carlos Retegui
Reserve: Emiliano Bosso
Australia
The squad was announced on 14 June 2021.
Head coach: Colin Batch
Reserve: Tyler Lovell
India
The squad was announced on 18 June 2021.
Head coach: Graham Reid
Japan
The squad was announced on 8 June 2021.
Head coach: Siegfried Aikman
Reserve: Yusuke Tanako (GK)
New Zealand
The squad was announced on 10 June 2021.
Head coach: Darren Smith
Spain
The squad was announced on 5 July 2021. On 9 July, Joan Tarrés withdrew injured and was replaced by Llorenç Piera.
Head coach: Fred Soyez
Reserve: Mario Garín
Group B Belgium
The squad was announced on 24 June 2021.
Head coach: Shane McLeod
Reserve: Loic Van Doren
Canada
Canada's team roster of 16 athletes was named on June 28, 2021. Before the expansion of each roster, the alternates were Taylor Curran and Brandon Pereira.
Head coach: Pasha Gademan
Reserve: David Vandenbossche
Germany
The squad was announced on 28 May 2021.
Head coach: Kais al Saadi
Reserve: Victor Aly
Great Britain
The squad was announced on 17 June 2021.
Head coach: Danny Kerry
Netherlands
The squad was announced on 28 May 2021.
Head coach: Maximiliano Caldas
Reserve: Maurits Visser
South Africa
The squad was announced on 27 May 2021.
Head coach: Garreth Ewing
Reserve: Siya Nolutshungu
References