The Ministry of Home Affairs (MoHA; Malay: Kementerian Hal Ehwal Dalam Negeri, KHEDN) is a cabinet-level ministry in the government of Brunei which is responsible for the country's administrative divisions, municipal areas, immigration, labour, fire and rescue services, prison and rehabilitation institutions, and national disaster management.

[2] It is currently led by a minister and the incumbent is Ahmaddin Rahman,[a] who took office since 7 June 2022.

The ministry oversees the following departments:[6] In the 2022–23 fiscal year, the ministry has been allocated a budget of B$128 million,[b] a 1.5 percent decrease from the previous year.

[9] The first Minister of Home Affairs was Hassanal Bolkiah, the Sultan of Brunei.

[6] In the cabinet reshuffle in 1986, the post was given to Isa Ibrahim, who became the first ordinary citizen to have taken the office.