Surname Youngsam (Youngsam 
) , throughout the world, is a rare family name. The surname Youngsam is habitual in Jamaica, where it is quite a rare surname, South Korea, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in South Korea, China, and Jamaica. Likewise, Youngsam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Youngsam | United Kingdom, Jamaica, China, United States, South Korea |