Surname Svagzdys (Svagzdys 
) , throughout the world, is a very rare family name. The family name Svagzdys is habitual in Lithuania, where it is quite a rare surname, Argentina, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Lithuania, the United States, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Svagzdys | United Kingdom, United States, Argentina, Lithuania |