Cognomen Dong-Kyun (동균 
, Dong-Kyun 
) , worldwide, is an extremely rare family name. The last name Dong-Kyun is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Dong-Kyun is the forename as well as the last name. Parts of the name also exists independently as a last name Dong, and a last name Kyun.
| VARIANT | COUNTRY |
|---|---|
| 동균 | South Korea |
| Dong-Kyun | United States |