Family name Дидаш (Дидаш 
, Didach 
) , in all the world, is a very rare surname. The cognomen Дидаш is habitual in Russia, where it is a very rare surname, Canada, where it is an extremely rare surname, and Thailand. Very seldom, Дидаш is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Дидаш | Kazakhstan, Russia, Ukraine |
| Didach | Canada, United States, Thailand |