Surname Nithiyananthan (Nithiyananthan 
) , across the world, is quite a rare family name. The last name Nithiyananthan is characteristic of Sri Lanka, where it is quite a rare surname, Canada, where it is a very rare surname, and Malaysia. Measured by absolute frequency, it most frequently occurs in Sri Lanka, the United Kingdom, and Canada. Much less frequently, Nithiyananthan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nithiyananthan | Canada, United Kingdom, India, Sri Lanka, Malaysia |