Bolangir Lok Sabha constituency(Odia: )is one of the 21 Lok Sabha (parliamentary) constituencies in Odisha state in eastern India.
Before delimitation in 2008, the legislative assembly segments, which constituted this parliamentary constituency were: Nawapara, Titilagarh, Kantabanji, Patnagarh, Saintala, Loisinga and Bolangir.
Following delimitation, at present this constituency comprises the flllowing legislative assembly segments:
In 2014 election, Biju Janata Dal candidate Kalikesh Narayan Singh Deo defeated Bharatiya Janata Party candidate Sangeeta Kumari Singh Deo by a margin of 1,04,299 votes.