Family name Kottachchi (Kottachchi 
) , worldwide, is a rare surname. The surname Kottachchi is habitual in Sri Lanka, where it is quite a rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kottachchi | Canada, United States, Sri Lanka |
| niranjala kottachchi researcher |
|