The article analyzes the role of Leningrad in the structure of scientific and technical cooperation between the USSR and SRV in 1976– 1983 on the basis of archival data. The author comes to a conclusion about high quality results of Leningrad institutions collaborating with SRV, successes of Leningrad leadership in cooperation with regions of Vietnam, involvement of most large industrial enterprises, leading higher educational institutions, design and research organizations of the city in scientific and technical cooperation between the USSR and SRV.