| Rusca | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Suceava County |
| Length: | 9km (06miles) |
| Mouth: | Bistrița |
| Mouth Location: | Rusca |
| Mouth Coordinates: | 47.3691°N 25.4525°W |
| Basin Size: | 16km2 |
| Custom Label: | River code |
| Custom Data: | XII.1.53.20 |
The Rusca (also: Giumalău) is a left bank, south-flowing tributary of the river Bistrița in Romania. It flows into the Bistrița in the village Rusca.[1] There is another Bistrița tributary named Rusca less than 200 metres downstream, on the opposite bank. Its length is 9km (06miles) and its basin size is 16km2.