Rajanagar is a Vidhan Sabha constituency of Kendrapara district, Odisha.

[2] This constituency includes Pattamundai (M), Rajanagar block and 18 Gram panchayats (Bachhara, Srirampur, Damarpur, Sansarphal, Khanata, Oupada, Chandanagar, Sasana, Dosia, Khadianta, Gangarampur, Aradapali, Sanjharia, Badapada, Bilikana, Badamohanpur, Dihudipur and Balabhadrapur) of Pattamundai block.

[3][4] Since its formation in 1951, 18 elections have been held here till date including one bypoll in 1971.

[10] In 2019 election, Biju Janata Dal candidate Dhruba Charan Sahu defeated Indian National Congress candidate Anshuman Mohanty by a margin of 18,408 votes.

In 2009 election, Biju Janata Dal candidate Alekh Kumar Jena defeated Indian National Congress candidate Nalinikanta Mohanty by a margin of 4,335 votes.