Pensiangan is a federal constituency in Interior Division (Keningau District and Nabawan District), Sabah, Malaysia, that has been represented in the Dewan Rakyat from 1986 to 1995, and again from 2004 to present.
The federal constituency was created in the 1984 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/sabah/p As of 2020, Pensiangan has a population of 82,499 people.
It was abolished in 1995 when it was redistributed. It was re-created in 2003.
According to the gazette issued on 21 November 2025, the Pensiangan constituency has a total of 38 polling districts.