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Last name Ken'Ichirō (ケンイチロウ , Ken'Ichirō) , all around the world, is a common family name. The family name Ken'Ichirō is characteristic of Eastern Asia, particularly Japan, where it is quite a common surname.
| VARIANT | COUNTRY |
|---|---|
| ケンイチロウ | Japan |
Ken'Ichiro, Ken-Ichiro, and Kenichiro