Last name Ngatiah (Ngatiah 
) , in all the world, is a rare family name. The family name Ngatiah is characteristic of Kenya, where it is a rare surname, Indonesia, where it is a very rare surname, and Malaysia. Very seldom, Ngatiah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngatiah | United States, Kenya, Malaysia, Indonesia |