Last name Seto (Seto 
, セト 
, سيتو 
) , around the world, is a common cognomen. The family name Seto is habitual in Cayman Islands, where it is quite a common surname, Hong Kong, and Indonesia, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Indonesia, the United States, and Hong Kong. Likewise, Seto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seto | United States, Hong Kong, Taiwan, Indonesia, Canada |
| セト | Japan |
| سيتو | Iraq, Sudan, Jordan, Egypt |
| Сето | Armenia, Russia, Belarus |
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seto mulyadi ID (b. 1951) |
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michael c. seto Canadian sexologist, CA (b. 1967) |
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| ryozo seto botanist (b. 1918) |
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rocky seto American football player and coach, US (b. 1976) |
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karen c. seto geographer, urban and land change scientist and professor at Yale University, US |
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| robert m. m. seto American judge, CN (b. 1936) |
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| cláudio seto Brazilian artist, poet, and photographer, BR (b. 1944) |
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| kazuhiro seto Japanese candidate (b. 1952) |
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| masato seto Japanese photographer, TH (b. 1953) |
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| seto nurdiantoro Indonesian association football player, ID (b. 1974) |
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| dimas seto actor, ID (b. 1979) |
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| edward seto researcher ORCID ID = 0000-0001-7562-7316 |
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| robyn seto Australian politician, AU |
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| christopher seto researcher (ORCID 0000-0002-6020-4684) |
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| azusa seto researcher |
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