Surname 云基 (Yunji 
, 云基 ) , all over the world, is quite a rare cognomen. The last name 云基 is habitual in South Korea, where it is quite a rare surname, Malaysia, where it is a rare surname, and Tanzania. In absolute terms, it most frequently occurs in South Korea, China, and Tanzania. More frequently, 云基 is the forename as well as the last name.