| Comana | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Brașov County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Comana de Sus, Comana de Jos |
| Length: | 19km (12miles) |
| Source1: | Perșani Mountains |
| Mouth: | Olt |
| Mouth Location: | Comana de Jos |
| Mouth Coordinates: | 45.9198°N 25.2154°W |
| Basin Size: | 59km2 |
| Tributaries Left: | Valea Tigăi, Dăbiș |
The Comana (in its upper course also Purcaru) is a left tributary of the river Olt in Romania. It discharges into the Olt in Comana de Jos.[1] Its source is in the Perșani Mountains. Its length is 19km (12miles) and its basin size is 59km2.