| Hennersdorf | |
| Native Name: | Hennasduaf |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 48.1°N 38°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Lower Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Mödling |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Ferdinand Hausenberger |
| Elevation M: | 183 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 2332 |
| Area Code Type: | Area code |
| Area Code: | 02235 |
| Website: | www.gemeinde-hennersdorf.at |
Hennersdorf (or Hennersdorf bei Wien; Central Bavarian: Hennasduaf) is a town in the district of Mödling in the Austrian state of Lower Austria.
Hennersdorf lies in the northeast corner of the district and borders directly on Vienna.