Last name Yongsoo (Yongsoo 
) , in all the world, is a rare family name. The last name Yongsoo is habitual in South Korea, where it is a rare surname, Cambodia, where it is a very rare surname, and China, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in South Korea, China, and India. More prevalently, Yongsoo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yongsoo | China, Thailand, South Korea, Japan, United States |