Family name Sumiati (Sumiati 
) , throughout the world, is a common last name. The surname Sumiati is habitual in Indonesia, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Taiwan. Much less frequently, Sumiati is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sumiati | United Arab Emirates, Malaysia, Indonesia, Saudi Arabia, Taiwan |
| sumiati s ID (b. 1963) |
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| eti sumiati Indonesian political candidate, ID |
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| yati sumiati Indonesian political candidate, ID |
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| sri sumiati Indonesian political candidate, ID |
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| sumiati wagiyanto Indonesian political candidate, ID |
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