Surname Avyzius (Avyzius 
, Авіжус 
) , all over the world, is a very rare family name. The cognomen Avyzius is characteristic of Lithuania, where it is a rare surname, Spain, where it is a very rare surname, and Ukraine. Very seldom, Avyzius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Avyzius | Spain, Lithuania |
| Авіжус | Ukraine |