Surname Ratinakumar (Ratinakumar 
) , worldwide, is a very rare last name. The family name Ratinakumar is habitual in Malaysia, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Ratinakumar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratinakumar | India, Malaysia |