Across the world, Periaswamy (Periaswamy 
) is a very rare boy's forename. The forename Periaswamy is characteristic of Southern Asia, particularly India, where it is an extremely rare male name. More frequently, Periaswamy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Periaswamy | United Kingdom, Canada, India, Malaysia, United States |