Last name Déon (Deon 
, Déon 
) , around the globe, is quite a common surname. The last name Déon is habitual in Namibia, where it is quite a rare surname, Malaysia, and Ghana. In absolute terms, it is the most numerous in Brazil, Indonesia, and the United States. More prevalently, Déon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deon | Namibia, Indonesia, South Africa, United States, Brazil |
| Déon | France, South Africa |
|
michel déon French writer, FR (b. 1919) |
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| louis déon French architect, FR (b. 1879) |
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| chantal déon IE (b. 1933) |
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| alice déon French publisher, FR (b. 1963) |
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| sébastien déon researcher ORCID ID = 0000-0003-4775-5964 (b. 1981) |
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