Globally, Giritharan (Giritharan 
) is a rare male first name. The forename Giritharan is habitual in Sri Lanka, where it is a rare masculine name, Malaysia, where it is a very rare male name, and India, where it is an extremely rare masculine name. Likewise, Giritharan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giritharan | Australia, United Kingdom, India, Sri Lanka, Malaysia |