| Katzelsdorf | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.7789°N 16.2736°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Lower Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Wiener Neustadt-Land |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Hannelore Handler-Woltran |
| Elevation M: | 273 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | WB |
| Postal Code Type: | Postal code |
| Postal Code: | 2801 |
| Area Code Type: | Area code |
| Area Code: | 02622 |
| Website: | www.katzelsdorf.at |
Katzelsdorf is a municipality in the district of Wiener Neustadt-Land in Lower Austria, Austria. It is situated at the foot of the Rosalia Mountains, on the river Leitha, 5 km southeast of Wiener Neustadt.