Surname Yasarathna (Yasarathna 
) , globally, is a rare last name. The last name Yasarathna is habitual in Sri Lanka, where it is quite a rare surname, and Australia, where it is a rare surname. Much less frequently, Yasarathna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yasarathna | Sri Lanka, Australia |