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Surname Gayan (Gayan
, Гаян
) , worldwide, is a common last name. The cognomen Gayan is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is quite a rare surname, and Mauritius. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, India, and Philippines. More frequently, Gayan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gayan | Philippines, India, United Arab Emirates, Pakistan, Sri Lanka |
| Гаян | Kazakhstan, Russia, Kyrgyzstan, Armenia, Ukraine |