Surname Yannou (Yannou 
) , in all the world, is a rare last name. The surname Yannou is habitual in France, where it is a rare surname, Belgium, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Likewise, Yannou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yannou | Belgium, Reunion, Argentina, France, Brazil |
| demetre yannou (b. 1946) |
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| denis yannou French politician, FR (b. 1964) |
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| hervé yannou French journalist, FR (b. 1976) |
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| bernard yannou researcher ORCID ID = 0000-0003-4511-4450 |
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