| Liešno | |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: | Slovakia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Žilina |
| Subdivision Type3: | District |
| Subdivision Name3: | Turčianske Teplice |
| Pushpin Map: | Slovakia |
| Pushpin Map Caption: | Location of Liešno in Slovakia |
| Coordinates: | 48.8833°N 64°W |
| Established Title: | First mentioned |
| Established Date: | 1322 |
| Area Total Km2: | 1.944 |
| Elevation M: | 472 |
| Population As Of: | 2004-12-31 |
| Population Total: | 57 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 038 22 |
| Blank Name: | Car plate |
| Blank Info: | TR |
| Website: | liesno.ocu.sk |
Liešno (Hungarian: Turócerdőd; until 1899 Hungarian: 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.