The Tuanku Ja'afar Royal Gallery (Malay: Galeri Diraja Tuanku Ja'afar) is a gallery in Seremban, Negeri Sembilan, Malaysia.

The gallery is about the former Negeri Sembilan Yang di-Pertuan Besar Tuanku Ja'afar.

[1] The first phase of the gallery was opened on 4 December 2014 by Tunku Ampuan Besar of Negeri Sembilan Tuanku Najihah.

[3] The gallery is housed in a three-story building with an area of 4,087 m2 and divided into 9 exhibition halls.

[6][3] The gallery is within walking distance north east of Seremban railway station.