Deštnice (German: Teschnitz) is a municipality and village in Louny District in the Ústí nad Labem Region of the Czech Republic. It has about 200 inhabitants. Deštnice lies approximately 20 kilometres (12 mi) south-west of Louny, 57 km (35 mi) south-west of Ústí nad Labem, and 60 km (37 mi) west of Prague.