Nilai is a state constituency in Negeri Sembilan, Malaysia, that has been represented in the Negeri Sembilan.
The state constituency was first contested in 1995 and is mandated to return a single Assemblyman to the Negeri Sembilan State Legislative Assembly under the first-past-the-post voting system.
According to the Gazette issued on 30 March 2018, the Nilai constituency has a total of 10 polling districts.