Across the world, Senthilrajan (Senthilrajan 
) is a very rare boy's forename. The forename Senthilrajan is habitual in Southern Asia, particularly India, where it is an extremely rare boy's name. Also, Senthilrajan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Senthilrajan | Australia, Canada, India, Malaysia, United States |