Last name Uutoni (Uutoni 
) , around the globe, is a rare family name. The family name Uutoni is characteristic of Namibia, where it is quite a common surname, Switzerland, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Much less frequently, Uutoni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Uutoni | South Africa, Brazil, United States, Namibia, Switzerland |
| erastus uutoni Namibian politician, NA (b. 1961) |
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| simon uutoni Namibian footballer, NA (b. 1970) |
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| japhet uutoni Namibian boxer, NA (b. 1979) |
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