Madhepura Lok Sabha constituency (Hindi: मधेपुरा लोकसभा निर्वाचन क्षेत्र) is one of the 40 Lok Sabha constituencies in Bihar state in eastern India.
Before the delimitation of the parliamentary constituencies in 2008, Madhepura Lok Sabha constituency comprised the following six Vidhan Sabha segments:
After the delimitation, presently Madhepura constituency comprises the following six Vidhan Sabha segments: