Surname Dibbayawan (Dibbayawan 
) , in the entire world, is a very rare last name. The surname Dibbayawan is habitual in Hong Kong, where it is a rare surname, New Zealand, and Australia. In absolute terms, it is the most numerous in Australia, Hong Kong, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| Dibbayawan | Hong Kong, India, New Zealand, Australia, Thailand |