Tuanku Munawir ibni Almarhum Tuanku Abdul Rahman (22 March 1922 - 14 April 1967) was the ninth Yamtuan Besar (leader of the Malaysian state of Negri Sembilan.) He was the eldest son of the first King of Malaysia Yang di-Pertuan Agong Malaysia Tuanku Abdul Rahman and Tunku Maharun.
He ascended the throne as Yang di-Pertuan Besar when his father died on April 1, 1960.
The Yang di-Pertuan Agong, his younger brother, Tuanku Ja'afar succeeded him after his death due to the relatively young age of his son.