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Last name Isamu (勇 , Isamu
, イサム
) , in all the world, is a widespread cognomen. The surname Isamu is habitual in China, where it is quite a common surname, Japan, and Israel, where it is a rare surname. In absolute terms, it most frequently occurs in China, Japan, and Indonesia. More frequently, Isamu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 勇 | China |
| Isamu | Brazil, Japan, India, Indonesia, China |
| イサム | Japan |