Field hockey at the 2020 Summer Olympics – Men's team squads

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.

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

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
<section begin=GER /> The squad was announced on 28 May 2021.

Head coach: Kais al Saadi

<section end=GER />

Reserve:
 * Victor Aly

Great Britain
<section begin=GBR /> The squad was announced on 17 June 2021.

Head coach: Danny Kerry

<section end=GBR />

Netherlands
<section begin=NED /> The squad was announced on 28 May 2021.

Head coach: 🇦🇷 Maximiliano Caldas

<section end=NED />

Reserve:
 * Maurits Visser

South Africa
<section begin=RSA/> The squad was announced on 27 May 2021.

Head coach: Garreth Ewing

<section end=RSA/>

Reserve:
 * Siya Nolutshungu