Surname Zilenas (Zilenas 
) , worldwide, is a rare family name. The surname Zilenas is habitual in Northern Europe, particularly Lithuania, where it is quite a common surname, Latvia, where it is a rare surname, and Estonia. Measured by absolute frequency, it is commonest in Lithuania, Latvia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Zilenas | United Kingdom, United States, Latvia, Canada, Lithuania |