The 2020 FIBA Men's Olympic Qualifying Tournament in Belgrade was one of four 2020 FIBA Men's Olympic Qualifying Tournaments. The tournament was held in Belgrade, Serbia. It was originally scheduled to take place from 23 to 28 June 2020 but was postponed due to the COVID-19 pandemic, to 29 June to 4 July 2021. Following the 2016 FIBA World Olympic Qualifying Tournament, it was the second consecutive men's Olympic qualifying tournament held in Belgrade, Serbia.