Surname Diaan (Diaan 
) , in the entire world, is a very rare cognomen. The family name Diaan is characteristic of Indonesia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Nigeria. More prevalently, Diaan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diaan | Australia, South Africa, Singapore, Netherlands, Indonesia |
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david diaan American actor and producer, US (b. 1959) |
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fransiskus diaan Indonesian politician (born 1981), ID (b. 1981) |
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