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 | Kazakhstan, Russia, Ukraine, Belarus |
| Chudnyi | Ukraine, Russia, Lithuania, Belarus |