Cognomen Siliūnaitė (Siliūnaitė 
) , in the world, is a very rare family name. The cognomen Siliūnaitė is habitual in Northern Europe, particularly Lithuania, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Siliūnaitė | Lithuania |
| janina siliūnaitė Lithuanian photographer, LT (b. 1948) |
|