| Haslach an der Mühl | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Mapsize: | 260x260px |
| Coordinates: | 48.5786°N 14.0353°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Upper Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Rohrbach |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Dominik Reisinger |
| Elevation M: | 530 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | RO |
| Postal Code Type: | Postal code |
| Postal Code: | 4170 |
| Area Code Type: | Area code |
| Area Code: | 0 72 89 |
| Website: | www.haslach.at |
Haslach an der Mühl is a municipality in the district of Rohrbach in the Austrian state of Upper Austria.
Haslach lies in the upper Mühlviertel. About 33 percent of the municipality is forest, and 57 percent is farmland.