| Mestečko | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type2: | Region |
| Subdivision Name2: | Trenčín |
| Subdivision Type3: | District |
| Subdivision Name3: | Púchov |
| Pushpin Map: | Slovakia Trenčín Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Mestečko in the Trenčín Region##Location of Mestečko in Slovakia |
| Coordinates: | 49.175°N 18.2583°W |
| Established Title: | First mentioned |
| Established Date: | 1471 |
| Area Total Km2: | 5.423 |
| Elevation M: | 321 |
| Population Total: | 505 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 020 52 |
| Area Code: | +421-42 |
| Blank Name: | Car plate |
| Blank Info: | PU |
Mestečko (hu|Lednickisfalu) is a village and municipality in Púchov District in the Trenčín Region of north-western Slovakia.
In historical records the village was first mentioned in 1471.
The municipality lies at an altitude of 321 metres and covers an area of 5.423km². It has a population of about 505 people.