Surname Perinpanathan (Perinpanathan 
) , across the world, is a rare family name. The cognomen Perinpanathan is habitual in Sri Lanka, where it is quite a rare surname, Norway, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, the United Kingdom, and Canada. Much less frequently, Perinpanathan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Perinpanathan | Canada, Norway, United Kingdom, United States, Sri Lanka |