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

Johor, is a state of Malaysia in the south of the Malay Peninsula. It shares borders with Pahang, Malacca and Negeri Sembilan to the north. Johor shares maritime borders with Singapore to the south and Indonesia to both the west and east. As of 2023, the state's population is 4.19 million, making it the second most populous state in Malaysia, after Selangor. Johor Bahru is the capital city and the economic centre of the state, Kota Iskandar is the state administrative centre and Muar serves as the royal capital.