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Surname Ratnasinghe (Ratnasinghe
) , in the world, is a rare last name. The last name Ratnasinghe is habitual in Sri Lanka, where it is quite a rare surname, Australia, where it is a very rare surname, and New Zealand. Not in comparison with a country's population, it is commonest in Sri Lanka, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Ratnasinghe | France, Australia, United States, Sri Lanka, United Kingdom |