Family name Chikhun (Chikhun 
, Чихун 
) , throughout the world, is a rare last name. The last name Chikhun is habitual in Ukraine, where it is a rare surname, Kazakhstan, and Belarus, where it is a very rare surname. In absolute terms, it is the most numerous in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Chikhun | Russia, Cambodia, India |
| Чихун | Belarus, Russia, Kazakhstan, Ukraine |