Below are the rosters for the 1977 FIFA World Youth Championship tournament in Tunisia. Those marked in bold went on to earn full international caps.

Group A

Head coach: 🇫🇷 Jack Braun

Head coach: 🇲🇽 Alfonso Portugal

Head coach: 🇪🇸 Chus Pereda

Head coach: Moktar Ben Nacef

Group B

Head coach: Rodolfo Trinidad Ramirez Godoy

Head coach: 🇭🇺Gyula Rákosi

Head coach: Abdallah Ben Barek

Head coach: Agustín Isarch

Group C

Head coach: 🇧🇷 Evaristo de Macedo

Head coach: George Beniamini

Head coach: 🇮🇷Mahmoud Yavari

Head coach: 🇮🇹 Italo Acconcia

Group D

Head coach: 🇦🇹 Alfred Hohenberger (N°17) Karl Meister MF Lask Linz Austria 24/2/1958 (N°18) Johann Gross FW Rapid Wien Austria 21/12/1959

Head coach: Nedrag Stanković

Head coach: Salvador Breglia

Head coach: Sergei Mosyagin