Family name Iusty (Iusty 
) , in all the world, is a very rare cognomen. The cognomen Iusty is habitual in Romania, where it is a rare surname, and Germany, where it is an extremely rare surname. Also, Iusty is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iusty | India, Romania, Germany |