Family name Duhno (Духно 
, Duhno 
) , all around the world, is quite a rare surname. The surname Duhno is habitual in Ukraine, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Духно | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Duhno | Germany, India, Ukraine |