Family name Umetani (Umetani 
) , throughout the world, is a rare last name. The last name Umetani is characteristic of Singapore, where it is a very rare surname, New Zealand, and Norway. Measured by absolute frequency, the name is most common in Japan, Indonesia, and the United States. Also, Umetani is the forename as well as the last name.
| umetani suemichi (b. 1615) |
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| yōji umetani (b. 1932) |
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| mamoru umetani Japanese local politician (b. 1973) |
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| michihisa umetani researcher |
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| yuki umetani figure skater |
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| shunji umetani researcher, ORCID id # 0000-0003-2906-9960 |
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