Boysun district () is a district in Surxondaryo Region, Uzbekistan. Its capital is the city of Boysun. It has an area of and its population is 117,500 (2021 est.). The district consists of one city (Boysun), 5 urban-type settlements (Kofrun, Tangimush, Pasurxi, Qoraboûyin, Rabot) and 7 rural communities. In 2019 it lost part () of its territory to the re-established Bandixon District.
In 2001 the Boysun district was proclaimed as an intangible cultural heritage by UNESCO.