Cognomen Barstys (Barstys 
) , all around the world, is a rare last name. The last name Barstys is characteristic of Lithuania, where it is quite a rare surname, Latvia, and Germany, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Lithuania, Latvia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Barstys | Germany, Lithuania, United Kingdom, United States, Latvia |