The following is a list of all the squads of the national teams participating in the 2015 FIFA U-17 World Cup.
Each team had to name a squad of 21 players (three of whom must be goalkeepers) by the FIFA deadline. The squads were announced on 8 October 2015.
All players of its representative team must have been born on or after 1 January 1998. Players in boldface have been capped at full international level at some point in their career.
====== Head coach: Miguel Ponce
====== Head coach: Dario Baà ¡iÃÂ
====== Head coach: Emmanuel Amunike
====== Head coach: Richie Williams
====== Manager: Carlos Amadeu
====== Head coach: Neil Dewsnip
====== Head coach: Hamidou Camara
====== Manager: Choi Jin-cheul
====== Manager: Miguel ÃÂngel Lemme
====== Head coach: Tony Vidmar
====== Head coach: Christian Wück
====== Head Coach: Mario Alberto Arteaga
====== Head coach: Bob Browaeys
====== Head coach: José RodrÃÂguez
====== Head coach: José Valladares
====== Head coach: Baye Ba
====== Head coach: Marcelo Herrera
======
Head coach: Yon Kwang-mu
======
Head coach: Mikhail Galaktionov
======
Head coach: Molefi Ntseki
====== Head coach: Jean-Claude Giuntini
======
Head coach: Danny Hay
======
Head coach: Carlos Jara Saguier
====== Head coach: Mohammad Al-Attar