The Czechoslovakia men's national under-21 volleyball team represented Czechoslovakia in international men's volleyball competitions and friendly matches under the age 21.

It was ruled by the Czechoslovak Volleyball Federation, that was an affiliate member of the Federation of International Volleyball (FIVB) and was a part of the European Volleyball Confederation (CEV).

Champions    Runners-up    3rd place    4th place Champions    Runners-up    3rd place    4th place