Family name Thabusamy (Thabusamy 
) , globally, is a very rare cognomen. The surname Thabusamy is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Thabusamy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thabusamy | Malaysia, India |