| Ban | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Sălaj |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Ban, Bănișor, Crasna |
| Length: | 16km (10miles) |
| Mouth: | Crasna |
| Mouth Coordinates: | 47.1537°N 22.8728°W |
| Basin Size: | 60km2 |
The Ban is a left tributary of the river Crasna in Romania. It discharges into the Crasna in the town Crasna.[1] Its length is 16km (10miles) and its basin size is 60km2.