Family name Ниелин (Nielin 
, Ниелин 
) , worldwide, is a very rare cognomen. The family name Ниелин is habitual in Kazakhstan, where it is a very rare surname, Russia, where it is an extremely rare surname, and Germany. Likewise, Ниелин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nielin | Philippines, Romania, South Africa, United States, Germany |
| Ниелин | Russia, Kazakhstan |