The following is a list of squads for each national team competing at the 2023 UEFA Under-19 Futsal Championship.
[2] Head coach: José Luís Mendes The final 14-men squad was revealed on 18 August 2023.
[3] Head coach: Albert Canillas The final 14-men squad was revealed on 25 August 2023.
[4] Head coach: Kerkko Huhtanen The final 17-men squad was revealed on 15 August 2023.
[7] Head coach: Ihor Moskvychov The final 14-men squad was revealed on 21 August 2023.