Surname Kottahachchi (Kottahachchi 
) , in the world, is a rare last name. The family name Kottahachchi is habitual in Sri Lanka, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kottahachchi | United States, Sri Lanka |
| rohitha kottahachchi Sri Lankan cricketer, LK (b. 1971) |
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| ravindra kottahachchi cricket umpire (b. 1975) |
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| dulani kottahachchi researcher |
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