Menteri Besar of Negeri Sembilan

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Menteri Besar of Negeri Sembilan
Incumbent Aminuddin Harun since 12 May 2018
Government of Negeri Sembilan
Style	Yang Amat Berhormat (The Most Honourable)
Member of	Negeri Sembilan State Executive Council
Reports to	Negeri Sembilan State Legislative Assembly
Residence	Jalan Taman Bunga, 70100 Seremban, Negeri Sembilan
Seat	Tingkat 5B, Wisma Negeri, 70502 Seremban, Negeri Sembilan
Appointer	Muhriz Yang di-Pertuan Besar of Negeri Sembilan
Term length	5 years or lesser, renewable once (while commanding the confidence of the Negeri Sembilan State Legislative Assembly With State Elections held no more than five years apart)
Inaugural holder	Abdul Malek Yusuf
Formation	1 February 1948; 76 years ago (1948-02-01)
Deputy	Vacant
Website	www.ns.gov.my

The Menteri Besar of Negeri Sembilan or First Minister of Negeri Sembilan is the head of government in the Malaysian state of Negeri Sembilan. According to the convention, the Menteri Besar is the leader of the majority party or largest coalition party of the Negeri Sembilan State Legislative Assembly.

The 11th Menteri Besar of Negeri Sembilan is Aminuddin Harun, who took office on 12 May 2018.