Family name Жардяцкас (Жардяцкас 
) , all around the world, is an extremely rare cognomen. The surname Жардяцкас is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Жардяцкас | Russia, Ukraine |
Денис, and Альгімантас