Surname Abayawardana (Abayawardana 
) , throughout the world, is a rare last name. The family name Abayawardana is habitual in Sri Lanka, where it is quite a rare surname, Australia, where it is a very rare surname, and Canada. In absolute terms, it most frequently occurs in Sri Lanka, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Abayawardana | Canada, Sri Lanka, United Kingdom, Australia |
| sarath abayawardana Head of National Foundation of Science in Sri Lanka, LK |
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