Kampong Selangan is a village located in the Temburong District of Brunei. It is situated approximately 9.5 kilometres (5.9 mi) from the district town of Bangar and falls within the administrative area of Mukim Amo.
The village carries the postcode PD2751. As of the 2021 census, the population of Kampong Selangan was recorded at 241 residents.