Cognomen 준선 (준선 
, Junseon 
) , around the world, is an extremely rare family name. The family name 준선 is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, 준선 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 준선 | South Korea |
| Junseon | United States |