Sibsagar Assembly constituency is a general (unreserved) seat located in Sivasagar district of Assam. It is one of the 10 Assembly segments under the Jorhat Parliamentary constituency.
In the 2021 Assam Assembly elections, the constituency had 1,52,087 registered voters, with 1,24,219 valid votes cast. Independent candidate Akhil Gogoi won the seat with 57,219 votes. Bharatiya Janata Party (BJP) candidate Surabhi Rajkonwari finished second with 45,344 votes, losing by a margin of 11,875 votes.
In the 2016 Assembly elections, Sibsagar had 1,38,397 electors, with 1,13,331 valid votes recorded. Congress candidate Pranab Kumar Gogoi won the seat with 48,584 votes, defeating BJP candidate Surabhi Rajkonwar, who secured 48,042 votes. The victory margin was 542 votes.