The prime minister of Brunei is the head of government of Brunei. Concurrently, the title is held by the sultan of Brunei, who as sultan is also the head of state of the country. As the prime minister, the Sultan and Yang Di-Pertuan is the head of both the ministerial cabinet and the Legislative Council of Brunei.

Pengiran Abdul Momin bin Pengiran Ismail LVO was a nobleman, politician and diplomat from Brunei who previously served as a member in the Legislative Council and the Menteri Besar of Brunei.