Last name Kumarrai (Kumarrai 
) , all around the world, is a rare surname. The surname Kumarrai is characteristic of Malaysia, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Kumarrai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kumarrai | India, Malaysia, Saudi Arabia |