Cognomen Kalamadugu (Kalamadugu 
) , worldwide, is a rare surname. The cognomen Kalamadugu is habitual in Saudi Arabia, where it is a very rare surname, India, and New Zealand. Very seldom, Kalamadugu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalamadugu | Saudi Arabia, India, United States, New Zealand |