Cognomen 拉卡 (Laka 
, 拉卡 
, Racah 
) , around the world, is a common last name. The family name 拉卡 is habitual in Papua New Guinea, where it is quite a common surname, South Africa, where it is quite a rare surname, and the Democratic Republic of the Congo. In absolute terms, it most frequently occurs in India, the Democratic Republic of the Congo, and South Africa. Also, 拉卡 is the forename as well as the last name.