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Family name Sumimoto (Sumimoto
, Сумимото) , across the world, is a rare cognomen. The cognomen Sumimoto is characteristic of Singapore, where it is a rare surname, the United States, where it is a very rare surname, and Brazil. Not in comparison with a country's population, it is commonest in the United States, China, and Brazil. Likewise, Sumimoto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumimoto | Singapore, Brazil, Japan, United States, China |