Cognomen Murugaia (Murugaia 
) , in the entire world, is a very rare surname. The last name Murugaia is characteristic of Malaysia, where it is a rare surname, and India, where it is an extremely rare surname. Very seldom, Murugaia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Murugaia | India, Malaysia |