Family name Nelkine (Nelkine 
, Нелькин 
) , around the world, is a rare surname. The cognomen Nelkine is habitual in Lithuania, where it is a rare surname, Belarus, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nelkine | Lithuania |
| Нелькин | Russia, Ukraine, Kazakhstan, Belarus |