2018–19 World Rugby Sevens Series squads

This is a list of the complete squads for Series XX of World Rugby Sevens for men's teams.

Captains for a tournament have their jersey numbers marked in bold.

Argentina
Coach: Santiago Gómez Cora

Australia
Coach: Tim Walsh

Canada
Coach:
 * Damian McGrath (the first eight tournaments, concluding at Singapore)
 * Henry Paul (interim)

England
Coach: Simon Amor

Fiji
Coach: Gareth Baber

France
Coach: Jérôme Daret

Japan
Coach: Kensuke Iwabuchi

Kenya
Coach: Erick Ogweno

New Zealand
Coach: Clark Laidlaw

Samoa
Coach: Gordon Tietjens

Scotland
Coach:
 * John Dalziel (to Singapore)
 * Scott Forrest (interim)

South Africa
Coach: Neil Powell

Spain
Coach: Pablo Feijoo

United States
Coach: Mike Friday

At Singapore, the United States had a late injury to Martin Iosefo which ruled him out of the team. Ben Broselle was elevated to the twelve. Pat Blair joined the squad as the thirteenth man.
 * Notes:

Wales
Coach: Richie Pugh

Non-core teams
One place in each tournament of the series is allocated to a national team based on performance in the respective continental tournaments within Africa, Asia, Europe, Oceania, and the Americas.

Chile
Coach: Edmundo Olfos

Hong Kong
Coach: Paul John

Ireland
Coach: Anthony Eddy

Portugal
Coach: Diogo Mateus

Tonga
Coach: Tevita Tuʻifua

Zimbabwe
Coach: Gilbert Nyamutsamba