Worldwide, Jeyarajan (Jeyarajan 
) is a very rare masculine first name. The forename Jeyarajan is characteristic of India, where it is an extremely rare male name, and China. Likewise, Jeyarajan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jeyarajan | Sri Lanka, Australia, India, Singapore, Malaysia |