| Coșei | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Sălaj, Satu Mare |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Coșeiu, Archid, Nadișu Hododului, Bogdand |
| Length: | 16km (10miles) |
| Mouth: | Maja |
| Mouth Location: | Bogdand |
| Mouth Coordinates: | 47.4074°N 22.9417°W |
| Progression: | Maja→ |
| Basin Size: | 97km2 |
| Tributaries Right: | Diosod |
The Coșei is a right tributary of the river Maja in Romania. It flows into the Maja in Bogdand. Its length is 16km (10miles) and its basin size is 97km2.