| Hosu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Săcălaia, Bonț, Nicula |
| Length: | 13km (08miles) |
| Mouth: | Fizeș |
| Mouth Location: | near Gherla |
| Mouth Coordinates: | 47.0306°N 23.9346°W |
| Basin Size: | 46km2 |
The Hosu is a left tributary of the river Fizeș in Romania. It flows into the Fizeș near Gherla. Its length is 13km (08miles) and its basin size is 46km2.