Cognomen أوكي (Oki 
, Aoki 
, أوكي) , all over the world, is a common family name. The family name أوكي is characteristic of Papua New Guinea, where it is quite a rare surname, Nigeria, and Botswana. In absolute terms, this name is the most popular in Indonesia, Nigeria, and Brazil. More frequently, أوكي is the forename as well as the last name.