Blšany u Loun (German: Pschan) is a municipality and village in Louny District in the Ústí nad Labem Region of the Czech Republic. It has about 400 inhabitants. Blšany u Loun lies approximately 5 kilometres (3 mi) east of Louny, 38 km (24 mi) south of Ústí nad Labem, and 50 km (31 mi) north-west of Prague.