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Cognomen Dublu (Double
, Dublu
, Duplus
) , around the world, is quite a common family name. The family name Dublu is characteristic of Myanmar, where it is quite a rare surname, New Zealand, and the United Kingdom. Not in comparison with a country's population, it most frequently occurs in Myanmar, the United States, and the United Kingdom. Likewise, Dublu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Double | United States, Indonesia, Taiwan, China, Myanmar |
| Dublu | India, Italy, United States |
| Duplus | France |