| Seltenrein | |
| Mouth Location: | Löbauer Wasser |
| Mouth Coordinates: | 51.0924°N 14.6699°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Saxony |
The Seltenrein is a small river of Saxony, Germany. It flows into the Löbauer Wasser in Löbau.