Titles in Brunei

Datuk (or its variant Dato' or Datu; literally: grandfather) is a Malay honorific title commonly used in Brunei, Indonesia, and Malaysia, as well as a traditional title by Minangkabau people in West Sumatra, Indonesia. Use of the title various between locations, in some cases being bestowed by a ruler and in other cases being inherited by family line.

Malay-language system of styles, titles and honorifics; title of honour used to refer to Kings, nobles and other dignitaries in Malaysia, Brunei, Indonesia, Singapore and the South Philippines.