Senadin is a state constituency in Sarawak, Malaysia, that has been represented in the Sarawak State Legislative Assembly since 1996.

The state constituency was created in the 1996 redistribution and is mandated to return a single member to the Sarawak State Legislative Assembly under the first past the post voting system.

According to the gazette issued on 31 October 2022, the Senadin constituency has a total of 3 polling districts.

[1] "Federal Government Gazette - Notice of Contested Election, State Legislative Assembly of the State of Sarawak [P.U.

Attorney General's Chambers of Malaysia.