Surname Senthan (Senthan 
) , in the entire world, is a rare family name. The cognomen Senthan is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, where it is a very rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in Sri Lanka, Malaysia, and India. Likewise, Senthan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Senthan | France, United Kingdom, India, Sri Lanka, Malaysia |