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Cognomen Sanyu (Sanyu
, 常玉
, 三玉
) , worldwide, is a common last name. The last name Sanyu is habitual in Japan, where it is quite a rare surname, Uganda, and Oman, where it is a rare surname. Not in comparison with a country's population, the name is most common in Japan, Uganda, and China. Also, Sanyu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanyu | Myanmar, Japan, Rwanda, Uganda, China |
| 常玉, 三玉 | China |
| سانيو | Iraq |