In all the world, Nelly Belen (Nelly Belen 
) is a very rare female forename. The forename Nelly Belen is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare feminine name. Much less frequently, Nelly Belen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nelly Belen | Spain, Philippines, Mexico, Chile, Ecuador |