Family name Andrasiunas (Andrasiunas 
) , all over the world, is a very rare last name. The family name Andrasiunas is characteristic of Lithuania, where it is quite a rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Much less frequently, Andrasiunas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Andrasiunas | United States, Lithuania, United Kingdom |