Family name Sudo (Sur 
, Sudo 
, سودو ) , throughout the world, is a widespread surname. The cognomen Sudo is characteristic of Oman, where it is quite a common surname, Iraq, where it is quite a rare surname, and India. In absolute terms, it is commonest in India, Bangladesh, and Indonesia. Much less frequently, Sudo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sur | India, Bangladesh, Iraq, Japan, Indonesia |
| Sudo | Spain, India, United States, Japan, Indonesia |
| سودو | Iraq |
| Судо | Russia, Ukraine |
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miki sudo American competitive eater, US (b. 1985) |
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| philip toshio sudo (b. 1959) |
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| satoru sudo Japanese ice sledge hockey player, JP (b. 1970) |
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| kazuki sudo researcher ORCID ID = 0000-0002-4600-9428 |
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| masaaki sudo researcher |
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| mizuki sudo researcher (ORCID 0000-0002-1140-0558) |
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| makoto sudo researcher (ORCID 0000-0002-6699-5675) |
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| yuji sudo Japanese particle physicist |
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| nobuyuki sudo researcher |
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| kyoko sudo researcher (ORCID 0000-0002-0514-1158) |
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| hitomi sudo researcher |
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| katsuko sudo researcher |
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| satoko sudo researcher |
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| tomoya sudo researcher (ORCID 0000-0003-4675-9015) |
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| akira sudo researcher |
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