Last name Yeon-Jeong (연정 
, Yeon-Jeong 
) , in all the world, is an extremely rare cognomen. Much more frequently, Yeon-Jeong is the forename as well as the last name. Parts of the name also exists independently as a last name Yeon, and a first name Jeong.
| VARIANT | COUNTRY |
|---|---|
| 연정 | South Korea |
| Yeon-Jeong | France, South Korea, United States |