Cognomen جوسلين (Jocelyn 
, Jocelyne , Josselin 
, among others...) , all around the world, is a common family name. The cognomen جوسلين is characteristic of Latin America and the Caribbean, particularly Guadeloupe, where it is quite a common surname, Honduras, and Haiti (explore the name in all countries). Measured by absolute frequency, it is commonest in Mexico, France, and Honduras. Much more frequently, جوسلين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jocelin, Jocelyne, Jocelyn | Mexico, Canada, United States, Philippines, France |
| Joscelin, Josselin | Mexico, United States, Philippines, Democratic Republic of the Congo, France |
| جوسلين | Syria, Jordan, Palestinian Territory, Lebanon, Iraq |