Cognomen Kottaru (Kottaru 
) , in the entire world, is a rare last name. The family name Kottaru is characteristic of India, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kottaru is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kottaru | India, United States |