Below are the rosters for the 1979 FIFA World Youth Championship tournament in Japan. Those marked in bold went on to earn full international caps.
Group A
Head coach: Chus Pereda
Head coach: Rachid Hanifi
Head Coach: José Moncebáez
Head Coach: Ikuo Matsumoto
Group B
Head coach: César Luis Menotti
Head coach: Marian Bednarczyk
Head coach: Ivan Toplak
Head Coach: Soetjipto Soentoro
Group C
Head Coach: Salvador Breglia
Head Coach: Jose Augusto Peres Bandeira
Head coach: Kim Chan-Ki
Head coach: Barrie Clarke
Group D
Head coach: Raúl Bentancor
Head coach: Sergei Korshunov
Head Coach: Gyula Rakosi
Head Coach: Nabi Camara
References
FIFA pages on 1979 World Youth Cup