Last name Gaidysh (Gaidysh 
, Гайдыш 
) , around the world, is a rare family name. The cognomen Gaidysh is characteristic of Belarus, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Gaidysh | United States, Russia |
| Гайдыш | Belarus, Kazakhstan, Russia |