The Kedayan (also known as Kadayan, Kadaian or Kadyan) are an ethnic group residing in Brunei, Labuan, Sabah, and parts of Sarawak on the island of Borneo. The Kedayan language (ISO 639-3: kxd) is the de facto national language of Brunei and has a similarities with the Brunei Malay, which spoken by more than 130,000 people in Brunei, 46,500 in Sabah and 37,000 in Sarawak. In Sabah, the Kedayan are mainly live in Sipitang, Beaufort, Kuala Penyu and Papar.