| Cincu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Brașov County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Cincu, Cincșor |
| Length: | 18km (11miles) |
| Mouth: | Olt |
| Mouth Location: | Voila |
| Mouth Coordinates: | 45.8279°N 24.8289°W |
| Basin Size: | 138km2 |
| Tributaries Left: | Rodbav, Calbor |
The Cincu is a right tributary of the river Olt in Romania. It discharges into the Olt in Cincșor.[1] Its length is 18km (11miles) and its basin size is 138km2.