Plesná (German: Fleißen) is a town in Cheb District in the Karlovy Vary Region of the Czech Republic.

Plesná consists of four municipal parts (in brackets population according to the 2021 census):[2] Plesná is located about 15 kilometres (9 mi) north of Cheb and 36 km (22 mi) west of Karlovy Vary, on the border with Germany.

The highest point is the hill Bukový vrch at 650 m (2,130 ft) above sea level.

The most valuable cultural landmark is the Lutheran church, located in the northwestern part of the town.

[10] In the southern part of the municipal territory are the remnants of the medieval gord called Neuhaus.