Surname Smelstorius (Smelstorius 
) , in all the world, is an extremely rare family name. The last name Smelstorius is characteristic of Northern Europe, particularly the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Smelstorius | United Kingdom |
| jonas smelstorius Lithuanian translator, LT (b. 1882) |
|