Family name 西基 (Siki 
, 西基 
) , in the entire world, is quite a common cognomen. The cognomen 西基 is habitual in Papua New Guinea, where it is quite a rare surname, the Democratic Republic of the Congo, and Serbia. Measured by absolute frequency, it is commonest in Indonesia, the Democratic Republic of the Congo, and Turkey. Much less frequently, 西基 is the forename as well as the last name.