Surname Krishnan Subbiah (Krishnan Subbiah 
) , all around the world, is an extremely rare cognomen. The cognomen Krishnan Subbiah is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Krishnan Subbiah | Malaysia |
Pillaiyarkulam, and Vijayarani