The following squads were named for the 1968 Summer Olympics tournament.

Brazil

Head coach: Marão

Bulgaria

Head coach: Georgi Berkov 1Vasilev was born in 1944 but the birth date was changed in his passport so he could be eligible for the reinstated 1969 Balkan Youth Cup.

Colombia

Head coach: Edgar Barona

Czechoslovakia

Head coach: Václav Blažejovský

El Salvador

Head coach: Rigoberto Guzmán

France

Head coach: André Grillon

Ghana

Head coach: Karl-Heinz Marotzke

Guatemala

Head coach: 🇦🇷 César Viccino

Guinea

Head coach: Nabi Camara

Hungary

Head coach: Károly Lakat

Israel

Head coach: Emmanuel Scheffer

Japan

Head coach: 🇯🇵 Ken Naganuma

Mexico

Head coach: Ignacio Trelles

Nigeria

Head coach: 🇭🇺 József Ember

Spain

Head coach: José Santamaría

Thailand

Head coach: Günther Glomb