Surname 云吉 (Yunji 
, 云吉 ) , worldwide, is quite a rare cognomen. The last name 云吉 is characteristic of South Korea, where it is quite a rare surname, Malaysia, where it is a rare surname, and Tanzania. Not in comparison with a country's population, this name is the most popular in South Korea, China, and Tanzania. More frequently, 云吉 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yunji | Tanzania, South Korea, China, Indonesia, Malaysia |
| 云吉 | China |