Family name Muragaiah (Muragaiah 
) , in all the world, is a very rare cognomen. The surname Muragaiah is characteristic of Singapore, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Muragaiah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muragaiah | Singapore, India |