| Sankt Aegyd am Neuwalde | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.85°N 48°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Lower Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Lilienfeld |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Karl Oysmüller (SPÖ) |
| Elevation M: | 588 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 3193 |
| Area Code Type: | Area code |
| Area Code: | 02768 |
| Website: | www.staegyd.at |
Sankt Aegyd am Neuwalde is a market town in the district of Lilienfeld, Lower Austria.
St. Aegyd is divided into the districts of Kernhof, Lahnsattel, Mitterbach, St. Aegyd am Neuwalde, and Ulreichsberg. The town is located in the Mostviertel. 87.61 percent of municipal territory is forested.
In antiquity, the territory that is now St. Aegyd was part of the Roman province of Noricum. As part of the Austrian heartland of Lower Austria, St. Aegyd was part of the tumultuous history of Austria.
St. Aegyd am Neuwalde's mayor is Herbert Mitterböck and its chief officer is Adolf Praschl. In the municipal council, the mandates for its 21 seats are distributed as follows: SPÖ 13, ÖVP 6, FPÖ 2, others 0.