Surname Shiga (シガ 
, Shiga 
, Сига 
) , throughout the world, is quite a rare family name. The family name Shiga is characteristic of Japan, where it is a rare surname, Hong Kong, and Brazil. In absolute terms, it most frequently occurs in India, Japan, and Brazil. More frequently, Shiga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| シガ | Japan |
| Shiga | Brazil, India, Japan, Nigeria, United States |
| Сига | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| Шига | Kazakhstan, Russia, Ukraine |
| shiga chikatsugu Samurai (b. 1566) |
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shiga tetsutarō (b. 1866) |
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| taizan shiga (b. 1854) |
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jason shiga American cartoonist, US (b. 1976) |
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| shigeo shiga (b. 1928) |
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| yoichi p shiga researcher (ORCID 0000-0001-8569-6841) |
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| takashi shiga researcher (ORCID 0000-0001-7292-4411) |
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| tohru shiga researcher (ORCID 0000-0001-7331-3380) |
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| takashi shiga botanist |
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| taro shiga researcher (ORCID 0000-0003-4205-7534) |
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| tohru shiga researcher (ORCID 0000-0002-3238-3507) |
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| kiyoto shiga researcher |
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| sakiko shiga researcher |
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| takashi shiga researcher (ORCID 0000-0002-9548-8832) |
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| takuya shiga researcher ORCID 0000-0001-7303-3653 |
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