Valea lui Mihai
| Valea lui Mihai Érmihályfalva | |
|---|---|
| Location in Bihor County | |
| Coordinates: 47°31′12″N 22°7′48″E / 47.52000°N 22.13000°E | |
| Country | Romania | 
| County | Bihor | 
| Government | |
| • Mayor (2024–2028) | József-Attila Karsai (UDMR) | 
| Area | 73.54 km2 (28.39 sq mi) | 
| Elevation | 127 m (417 ft) | 
| Population  (2021-12-01) | 8,969 | 
| • Density | 120/km2 (320/sq mi) | 
| Time zone | EET/EEST (UTC+2/+3) | 
| Postal code | 415700 | 
| Area code | (+40) 02 59 | 
| Vehicle reg. | BH | 
| Website | www | 
Valea lui Mihai (Romanian pronunciation: [ˈvale̯a luj miˈhaj]; Hungarian: Érmihályfalva) is a town in Bihor County, Crișana, Romania.