| Bihor Mountains | |
| Highest: | Cucurbăta Mare |
| Elevation M: | 1849 |
| Coordinates: | 46.45°N 63°W |
| Length Km: | 25 |
| Width Km: | 14 |
| Country: | Romania |
| Region: | Transylvania, Crișana |
| Subdivision3 Type: | Counties |
| Parent: | Apuseni Mountains |
Bihor Mountains (Romanian; Moldavian; Moldovan: Munții Bihorului, Hungarian: Bihar-hegység) is a mountain range in western Romania. It is part of the Apuseni Mountains, which are part of the Carpathian Mountains.
The massif has a length of from the northwest to the southeast and a width of . It is located east of the town Ștei, Bihor County and north of the town of Brad, Hunedoara County.
The highest peak is Cucurbăta Mare, with an elevation of ; this also the highest peak of the Apuseni Mountains. Other high peaks are Buteasa (1,790 m), Cârligatele (1,694 m), Piatra Grăitoare (1,658 m), and Bohodei (1,654 m).
The is a volcanic range extension of the Bihor Mountains to the north, reaching a maximum height of .