Surname Chudnyi (Чудный 
, Chudnyi 
) , all over the world, is a rare last name. The surname Chudnyi is habitual in Belarus, where it is a rare surname, Russia, and Lithuania.
| VARIANT | COUNTRY |
|---|---|
| Чудный | Belarus, Kazakhstan, Russia, Ukraine |
| Chudnyi | Belarus, Lithuania, Russia, Ukraine |