Rembau is a federal constituency in Rembau District and Seremban District, Negeri Sembilan, Malaysia, that has been represented in the Dewan Rakyat since 2004.
The federal constituency was created in the 2003 redistribution and is mandated to return a single member to the Dewan Rakyat under the first past the post voting system.
As of 2020, Rembau has a population of 210,209 people.
According to the gazette issued on 18 July 2023, the Rembau constituency has a total of 51 polling districts.