Surname Grachia (Грачья 
, Грачя 
, Грачиа ) , in all the world, is a very rare last name. The surname Grachia is habitual in Armenia, where it is a rare surname, Georgia, and Indonesia, where it is a very rare surname. Predominantly, Grachia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Грачья | Belarus, Russia, Kazakhstan, Ukraine |
| Грачя | Russia, Belarus, Kazakhstan, Ukraine, Armenia |
| Грачиа | Russia |
| Grachia | Russia, Indonesia, Georgia, United States, South Africa |