Cognomen 新一 (新一 
) , worldwide, is a rare last name. The surname 新一 is characteristic of Eastern Asia, particularly China, where it is a very rare surname. More frequently, 新一 is the forename as well as the last name.
| 神谷 新一 Japanese businessman, JP (b. 1903) |
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境 新一 Japanese businessperson, JP (b. 1960) |
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