Surname Sastha (Sastha 
) , in the entire world, is a rare cognomen. The last name Sastha is habitual in Indonesia, where it is a very rare surname, India, where it is an extremely rare surname, and Malaysia. Measured by absolute frequency, it is the most numerous in India, Indonesia, and the United States. Likewise, Sastha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sastha | United States, India, Malaysia, Indonesia |