OL 2020 - 3x3 - Mænd

The 2020 Summer Olympics men's 3x3 basketball tournament in Tokyo, began on 24 and ended on 28 July 2021. All games were played at the Aomi Urban Sports Park.

It was originally scheduled to be held in 2020, but on 24 March 2020, the Olympics were postponed to 2021 due to the COVID-19 pandemic. As a result of this pandemic, the games were played behind closed doors.

Latvia won the title after defeating the Russian Olympic Committee team in the final, while Serbia captured the bronze medal over Belgium.

The medals for the competition were presented by Nenad Lalović, Serbia; IOC Executive Board Member, and the medalists' bouquets were presented by Andreas Zagklis, Greece; FIBA Secretary General.