Rybniště (German: Teichstatt) is a municipality and village in Děčín District in the Ústí nad Labem Region of the Czech Republic.

Rybniště consists of two municipal parts (in brackets population according to the 2021 census):[2] Rybniště is located about 23 kilometres (14 mi) northeast of Děčín and 41 km (25 mi) northeast of Ústí nad Labem.

The highest point is the mountain Malý Stožec at 659 m (2,162 ft) above sea level.

A significant body of water is the fishpond Velký rybník, supplied by the stream.

The first written mention of Rybniště is from 1715, when it is described as a settlement formed on the site of a drained and dried pond.