| Oravská Lesná | |
| Settlement Type: | Village |
| Nickname: | Herducka |
| Subdivision Type: | Country |
| Subdivision Name: | Slovakia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Žilina |
| Subdivision Type3: | District |
| Subdivision Name3: | Námestovo |
| Pushpin Map: | Slovakia |
| Pushpin Map Caption: | Location of Oravská Lesná in Slovakia |
| Coordinates: | 49.3689°N 19.1836°W |
| Established Title: | First mentioned |
| Established Date: | 1731 |
| Area Total Km2: | 65.62[1] |
| Area Total Sq Mi: | 25.34 |
| Elevation M: | 858[2] |
| Elevation Ft: | 2,815 |
| Population Total: | 3416[3] |
| Population Density Km2: | 52.27[4] |
| Population Density Sq Mi: | 20.18 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 029 57 |
| Area Code: | +421 43 |
| Blank Name: | Car plate |
| Blank Info: | NO |
| Website: | oravskalesna.sk |
Oravská Lesná (1920-1927 Erdútka, 1927-1945 Erdótka Hungarian: Erdőtka) is a village and municipality in Námestovo District in the Žilina Region of northern Slovakia.
In historical records the village was first mentioned in 1731.
The municipality lies at an altitude of 934 metres and covers an area of 65.628 km². It has a population of about 3133 people. It borders Gmina Ujsoły, poland and zákameneklin to the north, lomná to the east, zázrivá to the south, and nová bystrica to the west,
It's the coldest inhabited location in Slovakia.[5]