Family name Janelin (Janelin 
) , all around the world, is an extremely rare last name. The last name Janelin is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Honduras, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Nicaragua, Mexico, and Honduras. More frequently, Janelin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janelin | Philippines, Mexico, Nicaragua, India, United States |