Family name 幸一 (幸一 
) , worldwide, is a very rare last name. The surname 幸一 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 幸一 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 幸一 | China |
| 利倉 幸一 JP (b. 1905) |
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| 塚本 幸一 Japanese businessman (1920-1998), JP (b. 1920) |
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| 田内 幸一 JP (b. 1931) |
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| 宮本 幸一 JP (b. 1949) |
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| 飛鳥 幸一 Japanese actor and voice actor born in 1968., JP (b. 1968) |
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