Family name Rudrappan (Rudrappan 
) , in the world, is a very rare cognomen. The family name Rudrappan is habitual in India, where it is an extremely rare surname, and the United States. Very seldom, Rudrappan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rudrappan | India, United States |
| ramesh rudrappan Indian businessperson (born 1955, child of Rudrappan Narayanaswamy), IN (b. 1955) |
|