Family name Kadirkamanathan (Kadirkamanathan 
) , throughout the world, is a very rare cognomen. The cognomen Kadirkamanathan is habitual in the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kadirkamanathan | United Kingdom, United States |
| visakan kadirkamanathan systems engineer, LK (b. 1962) |
|