Sonari Assembly constituency is a general (unreserved) seat located in Charaideo 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 1,78,790 registered voters, with 1,45,189 valid votes cast.
Bharatiya Janata Party (BJP) candidate Dharmeswar Konwar won the seat with 69,690 votes. Congress candidate Sushil Kumar Suri finished second with 54,573 votes, losing by a margin of 15,117 votes.
In the 2016 Assembly elections, Sonari had 1,51,738 electors, with 1,31,346 valid votes recorded.
BJP candidate Topon Kumar Gogoi won the seat with 73,327 votes, defeating Congress candidate Sarat Barkataky, who secured 49,210 votes. The victory margin was 24,117 votes.