The ambassador of the Republic of the Philippines to Brunei Darussalam (Filipino: Sugo ng Republika ng Pilipinas sa Brunei Darussalam; Malay: Duta Besar Republik Filipina ke Negara Brunei Darussalam) is the Republic of the Philippines' foremost diplomatic representative in the Sultanate of Brunei.

As head of the Philippines' diplomatic mission there, the ambassador is the official representative of the president and the government of the Philippines to the sultan and government of Brunei.

The position has the rank and status of an ambassador extraordinary and plenipotentiary.