Each national team submitted a squad of 20 players, two of whom had to be goalkeepers.
Players in boldface have been capped at full international level since the tournament.
Ages are as of the start of the tournament, 14 July 2019.
Head coach: Artur Voskanyan
Italy named their squad on 9 July 2019.
Head coach: Carmine Nunziata
Head coach: Filipe
Spain named their squad on 10 July 2019.
Head coach: Santiago Denia
Czech Republic named their squad on 9 July 2019.
Head coach: Jan Suchopárek
Head coach: Lionel Rouxel
Head coach: Tom Mohan
Head coach: Gunnar Halle