Family name Ільніцкі (Ільніцкі 
) , across the world, is an extremely rare cognomen. The family name Ільніцкі is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ільніцкі | Ukraine |
|
андрэй мікалаевіч ільніцкі Belarusian physician, BY (b. 1973) |
|
| мікалай мікалаевіч ільніцкі BY (b. 1949) |
|