Around the world, Dayananthan (Dayananthan 
) is a very rare male forename. The given name Dayananthan is characteristic of South Africa, where it is a very rare masculine name, and India, where it is an extremely rare masculine name. Also, Dayananthan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dayananthan | Canada, Malaysia, India, United States, South Africa |