Cognomen Igolnitsyn (Igolnitsyn 
, Игольницын 
) , in the world, is a rare surname. The last name Igolnitsyn is habitual in Kyrgyzstan, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Igolnitsyn | Russia |
| Игольницын | Kyrgyzstan, Russia |