Měrunice (German: Meronitz) is a municipality and village in Teplice District in the Ústí nad Labem Region of the Czech Republic. It has about 300 inhabitants.

Měrunice lies approximately 18 kilometres (11 mi) south of Teplice, 26 km (16 mi) south-west of Ústí nad Labem, and 62 km (39 mi) north-west of Prague.

Měrunice consists of two municipal parts (in brackets population according to the 2021 census):