Selangau is a federal constituency in Sibu Division (Selangau District), Mukah Division (Mukah District) and Bintulu Division (Tatau District), Sarawak, Malaysia, that has been represented in the Dewan Rakyat since 1990.
The federal constituency was created in the 1987 redistribution and is mandated to return a single member to the Dewan Rakyat under the first past the post voting system.
https://ge15.orientaldaily.com.my/seats/sarawak/p As of 2020, Selangau has a population of 51,335 people.
According to the gazette issued on 31 October 2022, the Selangau constituency has a total of 30 polling districts.