Last name Кирьяцкий (Кирьяцкий 
) , worldwide, is a very rare cognomen. The cognomen Кирьяцкий is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кирьяцкий | Russia, Belarus |
| эдуард григорьевич кирьяцкий BY (b. 1934) |
|