Surname Ngourn (Ngourn 
) , in the world, is a very rare cognomen. The last name Ngourn is characteristic of Cambodia, where it is a very rare surname, France, where it is an extremely rare surname, and the United States. Very seldom, Ngourn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngourn | France, United States, Cambodia |