Cognomen Gnanagurusamy (Gnanagurusamy 
) , all around the world, is a very rare surname. The cognomen Gnanagurusamy is habitual in India, where it is an extremely rare surname, and the United States. More frequently, Gnanagurusamy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gnanagurusamy | India, United States |
| r. gnanagurusamy politician, IN (b. 1947) |
|