| Pragser Bach | |
| Mouth Location: | near Welsberg |
| Mouth Coordinates: | 46.7444°N 12.1314°W |
| Subdivision Type1: | Country |
| Length: | 7.1km (04.4miles) |
| Basin Size: | 98km2 |
The Pragser Bach (Italian: Rio Braies pronounced as /it/) is a stream in South Tyrol, Italy. It flows into the Rienz near Welsberg.