The Sultan Omar 'Ali Saifuddien College (SOASC), natively known as Maktab Sultan Omar 'Ali Saifuddien (MSOAS), is a government boys' secondary school in Bandar Seri Begawan, the capital of Brunei.

The school provides five years of secondary education leading up to GCE 'O' Level and IGCSE qualification.

The school is named in honour of Sultan Omar Ali Saifuddien III.

The Melayu Islam Beraja (MIB) concept, which serves as the nation's guiding ideology, was also developed by him.

[2] He also initiated social and economic reform to ready his people for the restoration of the state's sovereign powers, which had been initiated by his predecessor and sparked by the Brunei nationalist movement around the end of World War II.