The Johor State Constitution (Malay: Undang-undang Tubuh Negeri Johor; Jawi: اوندڠ٢ توبوه نڬري جوهر) is the state constitution of Johor, promulgated on 14 April 1895 by Sultan Abu Bakar. The contents of the constitution covers:
- The procedures for the selection and coronation of the Sultan of Johor, as well as the succession procedures
- The laws and responsibilities of the State Assembly, Executive Council (Exco) and their members
- Rules regarding Islam as the official religion of Johor
- The development of the basics of legal punishments by justice courts
- International deals
Since 1895, the Johor State Constitution was revised 4 times:
- First Revision (1 April 1908)
- Second Revision (17 September 1912)
- Third Revision (12 May 1914)
- Fourth Revision (17 July 1918)