Last name Senthilraj (Senthilraj 
) , in the world, is a rare surname. The surname Senthilraj is characteristic of Sri Lanka, where it is a rare surname, Singapore, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Sri Lanka, India, and Singapore. Also, Senthilraj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Senthilraj | United States, Malaysia, India, Sri Lanka, Singapore |