Family name Deltuvaite (Deltuvaite 
) , in the world, is a very rare last name. The family name Deltuvaite is characteristic of Lithuania, where it is quite a rare surname, Norway, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Deltuvaite | Lithuania, Norway, United States, Canada |