Surname Kalirajan (Kalirajan 
) , in all the world, is a rare family name. The cognomen Kalirajan is characteristic of Malaysia, where it is a very rare surname, Australia, and India, where it is an extremely rare surname. Much more frequently, Kalirajan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalirajan | Malaysia, Australia, Singapore, United States, India |
| kaliappa kalirajan economist (Australian National University) (b. 1948) |
|
Raj, Sankarapandian, Pandiarajan, Arunachalam, Subramanian, Duraikannu, Panjalingam, Kanthasamy, Chinnasamy, Muthuswami, Natarajan, Rajendran, Kuthalingam, Kathirvel, Selvaraja, Subramani, Sivagnana, Sasikumar, Raja, Kumar, Rajan, Palani, Akilesh, Kaliraj, Balasubramanian, Pitchai, Sinasamy, Arumugam, Poosathurai, Gurusamy, Vimalesh, Sakthivel, Urkalan, and Shanmugasundaram