Surname Joslen (Joslen 
) , in the world, is a rare cognomen. The surname Joslen is characteristic of Venezuela, where it is a rare surname, the United States, where it is a very rare surname, and Canada. Also, Joslen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Joslen | Dominican Republic, India, Syria, United States, Venezuela |