| Chirui | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Harghita County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Băile Chirui |
| Length: | 16km (10miles) |
| Source1: | Harghita Mountains |
| Mouth: | Vârghiș |
| Mouth Coordinates: | 46.2768°N 25.5402°W |
| Progression: | Vârghiș→ Cormoș→ |
| Basin Size: | 78km2 |
| Tributaries Right: | Gheopiu |
The Chirui is a left tributary of the river Vârghiș in Romania. It flows into the Vârghiș near Băile Chirui.[1] Its length is 16km (10miles) and its basin size is 78km2.