Cognomen Kirupaharan (Kirupaharan 
) , all over the world, is a rare surname. The last name Kirupaharan is characteristic of Sri Lanka, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Canada. Measured by absolute frequency, this name is the most popular in Sri Lanka, the United Kingdom, and the United States. Very seldom, Kirupaharan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kirupaharan | Canada, United Kingdom, United States, India, Sri Lanka |