Cognomen Samu (Samu 
, サム 
, Саму 
) , all around the world, is a common family name. The family name Samu is characteristic of Hungary, where it is quite a common surname, Botswana, where it is quite a rare surname, and Zimbabwe. In absolute terms, it is the most numerous in Nigeria, Hungary, and India. More frequently, Samu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Samu | Nigeria, India, Zimbabwe, Hungary, Tanzania |
| サム | Japan |
| Саму | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
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samu józsef teacher, Director of the Teacher Training Institute (1829–1894), HU (b. 1829) |
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lasz samu Hungarian scientist, HU (b. 1859) |
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| samu mihály Hungarian university teacher (1929-2015), HU (b. 1929) |
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| samu istván HU (b. 1923) |
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| pál samu Romanian biologist, RO (b. 1935) |
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| samu jános Hungarian politician, HU (b. 1944) |
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| samu lászló Hungarian hornist (1944-2021), HU (b. 1944) |
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| samu géza Hungarian sculptor, HU (b. 1947) |
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| samu ferenc HU (b. 1941) |
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| borbála samu Hungarian glottologist and Italian language teacher (1977-), HU (b. 1977) |
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| krisztián samu researcher |
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| dávid samu researcher |
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| ferenc samu researcher |
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| thiago brito samu person identified in the Museu da Pessoa collection (b. 1986) |
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| samu tamás gergő Hungarian politician, HU (b. 1986) |
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