Family name Juščius (Juščius 
) , in the world, is a very rare last name. The family name Juščius is characteristic of Northern Europe, particularly Lithuania, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Juščius | Lithuania |
| stasys juščius LT (b. 1931) |
|
|
| vytautas juščius LT (b. 1952) |
|