Liešno (Hungarian: Turócerdőd; until 1899 Liesznó, German: Liexen) is a village and municipality in Turčianske Teplice District in the Žilina Region of northern central Slovakia.

In historical records the village was first mentioned in 1322. Before the establishment of independent Czechoslovakia in 1918, it was part of Turóc County within the Kingdom of Hungary. From 1939 to 1945, it was part of the Slovak Republic.

The municipality lies at an altitude of 472 metres and covers an area of 1.944 km². It has a population of about 57 people.

• Villages in Slovakia
• List of municipalities and towns in Slovakia