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I am an American female citizen marrying a dual (Japanese & American) citizen man and I know that Japan has a law that states that Japanese women have to change their last name when they get married. I have my number in Japan, so I exist in their system there, but we live in the USA and are planning to get married here. When we get married, I would like to keep my last name. However when we notify the Japanese government, will I have to change my registered name in Japan?

ouflak
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Sarah Adkins
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I am an American man who married a Japanese woman. We got married here in Japan and each kept our own last names. The kids have mine on their US passports and hers on their Japanese passports. It might be illegal in the eyes of the high courts or something, but it's not a problem. The biggest thing is the family registry. Technically my wife is head of the family and started a completely new tree when we got married. I'm on it but more of a footnote. I think technically it's not illegal, but not exactly by the book either. Don't worry about it.

ouflak
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D Nations
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  • It's not illegal at all, it's completely normal and fine. For your kids, I can tell you having different names in different countries can be a pain though... – lambshaanxy Oct 30 '22 at 10:21