Bihar (disambiguation)
Bihar is a state in India. Bihar may also refer to:

Places

India
 Bihar Province, former colonial province in British India
 Bihar Subah, a Bihar-based Mughal imperial province
 Bihar Sharif, headquarters of Nalanda district, Bihar, India
 Bihar River, a border river of Palamu district, Jharkhand, India
 Bihar, Unnao, a village in Uttar Pradesh, India

Elsewhere
 Bihar County, a historic county of the Kingdom of Hungary
 Bihor County (Bihar County in Hungarian), a county of current-day Romania
 Bihar, the Hungarian name for Biharia Commune, Bihor County, Romania

People
 Bihar (king), a khagan of the Khazars

