Family name Unsik (Unsik 
) , throughout the world, is a very rare cognomen. The last name Unsik is habitual in Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and China. In absolute terms, it most frequently occurs in China, Malaysia, and India. Much more prevalently, Unsik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Unsik | China, South Korea, Malaysia, United States, India |