Cognomen Ludannaya (Ludannaya 
, Луданная 
) , across the world, is a rare last name. The last name Ludannaya is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ludannaya | Russia, United States |
| Луданная | Kazakhstan, Russia, Ukraine |