Surname Jaya-Ratnam (Jaya-Ratnam 
) , in the entire world, is a very rare last name. The family name Jaya-Ratnam is habitual in Northern Europe, particularly the United Kingdom, where it is a very rare surname. Parts of the name also exists independently as a first name Jaya, and a first name Ratnam.
| VARIANT | COUNTRY |
|---|---|
| Jaya-Ratnam | United Kingdom |