Cognomen Drumstas (Drumstas 
) , across the world, is a very rare surname. The cognomen Drumstas is characteristic of Lithuania, where it is quite a rare surname, the United States, where it is an extremely rare surname, and Germany. Measured by absolute frequency, this name is the most popular in Lithuania, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Drumstas | United States, Lithuania, Brazil, Germany |