Cognomen Young-Soo (영수 
, Young-Soo 
) , around the world, is a very rare last name. The last name Young-Soo is habitual in Czechia, where it is a rare surname, Chile, where it is an extremely rare surname, and the United States. Much more prevalently, Young-Soo is the forename as well as the last name. Parts of the name also exists independently as a last name Young, and a last name Soo.