Basketball at the 1980 Summer Olympics was the tenth appearance of the sport of basketball as an official Olympic medal event. It was held from July 20 to July 30 at the Olympiiski Indoor Stadium and at the CSKA Sports Palace, both located in Moscow, Russian SFSR, Soviet Union. Finals of men's events were held 30 July at the Olympiiski Indoor Stadium.

Olympic Stadium was an indoor arena located in Moscow, Russia. It was built for the 1980 Summer Olympics and, divided into two separated halls, hosted the basketball and boxing events. It was closed in March 2019, and was subsequently demolished in 2020 for the construction of a new complex.