Cognomen Iscia (Iscia 
) , all around the world, is an extremely rare last name. The surname Iscia is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, and Chile, where it is an extremely rare surname. More prevalently, Iscia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iscia | Brazil, France, Venezuela, Chile, United States |