Last name Ія-Анастасія (Ія-Анастасія 
) , across the world, is an extremely rare cognomen. Predominantly, Ія-Анастасія is the forename as well as the last name. Parts of the name also exists independently as a first name Ія, and a first name Анастасія.
| VARIANT | COUNTRY |
|---|---|
| Ія-Анастасія | Ukraine |