Cognomen Oyon (Oyon 
) , in all the world, is quite a rare surname. The surname Oyon is characteristic of Bangladesh, where it is a rare surname, Switzerland, and the Democratic Republic of the Congo. In absolute terms, it most frequently occurs in Bangladesh, Indonesia, and the Democratic Republic of the Congo. Likewise, Oyon is the forename as well as the last name.
| marie-simone oyon FR (b. 1748) |
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| jean-auguste oyon (b. 1783) |
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| marie oyon French politician, FR (b. 1898) |
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inaki encina oyon ES (b. 1978) |
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| jesus cayetano oyon Spanish politician, ES |
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