| Schwarza | |
| Mouth Location: | Hasel |
| Mouth Coordinates: | 50.5705°N 10.5094°W |
| Subdivision Type1: | Country |
| Subdivision Type2: | State |
| Length: | 30km (20miles)[1] |
| Source1 Elevation: | 795m (2,608feet) |
| Mouth Elevation: | 322m (1,056feet)[2] |
| Basin Size: | 173.3km2 |
Schwarza is a river of Thuringia, Germany. It flows into the Hasel in Rohr. In its uppermost course it is called Haselbach, in its middle course Schönau.