Cognomen Garsva (Garsva 
) , across the world, is a rare last name. The cognomen Garsva is characteristic of Lithuania, where it is quite a rare surname, Venezuela, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Lithuania, the United States, and Venezuela.
| VARIANT | COUNTRY |
|---|---|
| Garsva | United Kingdom, Venezuela, United States, Lithuania, Argentina |