| Lupul | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Albele, Poiana |
| Length: | 9km (06miles) |
| Mouth: | Tazlău |
| Mouth Location: | Poiana |
| Mouth Coordinates: | 46.3783°N 26.7158°W |
| Mouth Elevation: | 230m (760feet) |
| Basin Size: | 17km2 |
The Lupul is a right tributary of the river Tazlău in Romania.[1] It flows into the Tazlău in Poiana. Its length is 9km (06miles) and its basin size is 17km2.