Surname Jeong-In (정인 
, Jeong-In 
) , across the world, is an extremely rare family name. Much more frequently, Jeong-In is the forename as well as the last name. Parts of the name also exists independently as a first name Jeong, and a last name In.
| VARIANT | COUNTRY |
|---|---|
| 정인 | South Korea |
| Jeong-In | United States, South Korea |