Last name Yong-Soo (용수 
, Yong-Soo 
) , throughout the world, is an extremely rare cognomen. The surname Yong-Soo is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Yong-Soo is the forename as well as the last name. Parts of the name also exists independently as a first name Yong, and a last name Soo.