Family name Ladnun (Ladnun 
) , worldwide, is a rare surname. The surname Ladnun is characteristic of Saudi Arabia, where it is a rare surname, United Arab Emirates, and India, where it is an extremely rare surname. Very seldom, Ladnun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ladnun | United Arab Emirates, India, Saudi Arabia |