Family name Roüan (罗安 
, Руан 
, Roüan 
) , in all the world, is a rare surname. The cognomen Roüan is habitual in Russia, where it is a very rare surname, Kyrgyzstan, and Kazakhstan. Measured by absolute frequency, it most frequently occurs in Russia, China, and France. More prevalently, Roüan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 罗安 | China |
| Руан | Ukraine, Kyrgyzstan, Kazakhstan, Russia |
| Roüan | France |
| brigitte roüan French actress, film director and screenwriter, FR (b. 1946) |
|
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| laurent roüan film editor |
|