| Type: | commune |
| County: | Bihor |
| Roșia | |
| Leader Name: | Remus-Florin Moțiu |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 46.8°N 46°W |
| Area Total: | 72.52 |
| Population Total: | auto |
| Postal Code: | 417425 |
| Area Code: | +40 x59 |
Roșia (Hungarian: Biharrósa) is a large commune in Romania, Crișana, Bihor County, around 21km (13miles) north from the town of Beiuș. It is composed of two villages, Lazuri (Lázurihegy) and Roșia.
Roșia covers a surface area of . It is located in the eastern part of the county, at the edge of the Apuseni Mountains, in the foothills of the Pădurea Craiului Mountains. It lies on the banks of the Valea Roșie River, a tributary of the Crișul Negru; the Șoimuș River flows into the Valea Roșie near Roșia.
The commune is crossed by county road DJ764, which joins Beiuș to the town of Aleșd; the county seat, Oradea, is some to the northwest.
Roșia has beautiful landscapes, mountain rivers, caves, and large forests. In the Ciurul Mare Cave, speleologists have discovered some distinctively male, female, and child footprints; an anthropological analysis has identified Cro-Magnon and even Neanderthal characteristics in these footprints.
According to the 2011 census, the commune has 2,384 inhabitants, 98.87% of whom are ethnic Romanians; 85.3% are Romanian Orthodox and 13.6% Pentecostal.