Pengiran Anak Haji Muhammad Bey Muntassir (1956 – 25 November 2009) was a member of the royal family of Brunei as the husband of Princess Amal Jefriah Bolkiah, the sixth daughter of Sultan Omar Ali Saifuddien III, and brother-in-law to Sultan Hassanal Bolkiah.

[3] His residence was located along Jalan Beribi in Bandar Seri Begawan.

[4] On 26 November 2009, Sultan Hassanal Bolkiah, Prince Jefri Bolkiah and other members of the royal family offered their last respects to him at Baitul Athirah, who had died that evening.

[1] Pengiran Anak Muhammad Bey Muntassir married Princess Amal Jefriah on 4 October 1980.

[3][5] Together they have 5 children:[3][1] On 21 March 1981, Yang Amat Mulia Pengiran Sura Negara, the Cheteria title, was granted.