Globally, ييلين (Jelen 
, Yellin 
, ييلين) is quite a rare principally feminine, but very seldom boy's first name. The first name ييلين is habitual in Bolivia, where it is quite a rare female name, Serbia, where it is a rare feminine name, and the Dominican Republic. Measured by absolute frequency, it is commonest in Philippines, Bolivia, and Guatemala. Likewise, ييلين is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jelen | Germany, Czechia, Poland, United States, Slovenia |
| Yellin | Myanmar, Germany, Philippines, Argentina, United States |