Family name Buok (Buku 
, Buok 
, Bók 
) , worldwide, is quite a rare surname. The family name Buok is characteristic of Papua New Guinea, where it is quite a rare surname, Indonesia, and Libya, where it is a rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Kenya, and Nigeria. Likewise, Buok is the forename as well as the last name.