Surname Yayakumar (Yayakumar 
) , around the world, is an extremely rare cognomen. The cognomen Yayakumar is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Likewise, Yayakumar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yayakumar | Malaysia, India |