| Cosma River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Covasna County |
| Source | |
| - location | Buzău Mountains Mount Tistaş |
| - elevation | 1,094 m (3,589 ft) |
| - coordinates | |
| Mouth | Cireşu |
| - elevation | 969 m (3,179 ft) |
| - coordinates | |
The Cosma River is a tributary of the Cireşu River in Romania.