Cognomen Tikhaja (Tikhaja 
, Тихая 
) , worldwide, is quite a rare surname. The surname Tikhaja is characteristic of Kazakhstan, where it is a rare surname, Russia, and Belarus. Very seldom, Tikhaja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tikhaja | India |
| Тихая | Kazakhstan, Belarus, Ukraine, Kyrgyzstan, Russia |