Bakhtiyarpur is a town and a municipality notified area in Patna district in the state of Bihar, India. Bakhtiyarpur is under the Patna Sahib (Lok Sabha constituency), and is a Vidhan Sabha constituency of Bihar in Patna District under the Barh sub-division of Bihar. It is a major railway junction in Danapur railway division, ECR. The incumbent Chief Minister of Bihar, Nitish Kumar belongs to Bakhtiyarpur.

Bakhtiarpur is named after Muhammad bin Bakhtiyar Khalji. He was the military general of Qutb al-Din Aibak, and founded Bakhtiyar city after his conquest of Bengal in 1203, destruction of Nalanda and Vikramshila University.