Karambunai is a state constituency in Sabah, Malaysia that has been represented in the Sabah State Legislative Assembly since 2004.

The state constituency was created in the 2003 redistribution and is mandated to return a single member to the Sabah State Legislative Assembly under the first past the post voting system.

Ethnic breakdown of Karambunai's electorate as of 2020 According to the gazette issued on 31 October 2022, the Karambunai constituency has a total of 7 polling districts.

[1] "Federal Government Gazette – Notice of Contested Election, State Legislative Assembly for the State of Sabah [P.U.

Attorney General's Chambers of Malaysia.