| Lechaschau | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.4897°N 10.7061°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Tyrol |
| Subdivision Type2: | District |
| Subdivision Name2: | Reutte |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Hansjörg Fuchs |
| Elevation M: | 846 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | RE |
| Postal Code Type: | Postal code |
| Postal Code: | 6600 |
| Area Code Type: | Area code |
| Area Code: | 05672 |
| Website: | members.aon.at/ lechaschau |
Lechaschau is a municipality in the district of Reutte in the Austrian state of Tyrol.
Lechaschau lies in the Reutte basin on the left bank of the Lech.
The village consists of three parts:The village's center, the so-called Buchenort and Weidasiedlung.
Lake Frauensee, used for swimming, is part of the village.