Cognomen Uthaiya (Uthaiya 
) , in the world, is a very rare surname. The last name Uthaiya is characteristic of Malaysia, where it is a rare surname, Canada, where it is an extremely rare surname, and India. Much less frequently, Uthaiya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uthaiya | Malaysia, India, Canada, Thailand |