Surname Samarasundera (Samarasundera 
) , in the entire world, is a rare last name. The cognomen Samarasundera is characteristic of Sri Lanka, where it is quite a rare surname, Latvia, where it is a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Samarasundera | Latvia, Australia, Sri Lanka |