Family name Dhanrajan (Dhanrajan 
) , in the world, is a very rare surname. The family name Dhanrajan is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Likewise, Dhanrajan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dhanrajan | India, United States, South Africa |