Last name อุมาลัย (อุมาลัย 
, Umalai 
) , in the entire world, is a very rare surname. The last name อุมาลัย is characteristic of Malaysia, where it is a very rare surname, India, where it is an extremely rare surname, and Philippines. Also, อุมาลัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อุมาลัย | Thailand |
| Umalai | India, Philippines, Malaysia, Thailand |