Surname 克毅 (克毅 
, Keyi 
) , in the entire world, is quite a rare last name. The cognomen 克毅 is characteristic of Sub-Saharan Africa, particularly Gabon, where it is quite a rare surname, Cameroon, and the Democratic Republic of the Congo. In absolute terms, this name is the most popular in the Democratic Republic of the Congo, China, and Cameroon. Likewise, 克毅 is the forename as well as the last name.