Tuanku Munawir ibni Almarhum Tuanku Abdul Rahman (22 March 1922 – 14 April 1967) was the ninth Yang Di-Pertuan Besar (Grand Ruler) of the Malaysian State of Negeri Sembilan. He was the eldest son of the first of Yang Di-Pertuan Agong of Malaysia, Tuanku Abdul Rahman with his second consort . He ascended the throne as the Grand Ruler of Negeri Sembilan when his father died on 1 April 1960. His younger brother, Tuanku Ja'afr succeeded him after his death due to the relatively young age of his son. His son later became the eleventh Yamtuan Besar.