Bihor Mountains (Romanian: Munții Bihorului, Hungarian: Bihar-hegység) is a mountain range in western Romania.

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 1,849 metres (6,066 ft); 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 Vlădeasa Massif [ro] is a volcanic range extension of the Bihor Mountains to the north, reaching a maximum height of 1,836 metres (6,024 ft).