The United Sabah National Organisation (Malay: Pertubuhan Kebangsaan Sabah Bersatu; abbrev: USNO) was a political party in North Borneo and later Sabah, Malaysia. The widely known Sabah's Muslim indigenous especially Suluk-Bajau ethnic based party was founded by the third Chief Minister of Sabah; Mustapha Harun in December 1961. The party came into power after winning the 1967 state election. USNO remained in power until 1975 under Mustapha's leadership, and until 1976 under Mohammad Said Keruak's leadership.