In the world, ג'סלין (Ghislain 
, Jessalyn 
, Jaslene 
) is a common primarily boy's, but scarcely female forename. The given name ג'סלין is habitual in Cameroon, where it is quite a common boy's name, the Democratic Republic of the Congo, and Curacao, where it is quite a common feminine name. Measured by absolute frequency, the name is most common in the Democratic Republic of the Congo, Cameroon, and France. Very seldom, ג'סלין is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ghislain | Canada, France, Cameroon, Democratic Republic of the Congo, Ivory Coast |
| Jessalyn | Canada, Philippines, United Arab Emirates, United States, Indonesia |
| Jaslene | Philippines, Singapore, Brazil, United States, United Kingdom |
| ג'סלין | Israel |