All over the world, Yoochan (Yoochan 
) is a rare male forename. The first name Yoochan is characteristic of Eastern Asia, particularly South Korea, where it is a rare boy's name. Very seldom, Yoochan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Yoochan | South Korea, United States, Thailand |
| yoochan hong researcher (ORCID 0000-0001-8780-0905) |
|
|
| yoochan hong researcher ORCID 0000-0002-6345-9877 |
|
|
| yoochan myung researcher |
|