Worldwide, Sayuko (Sayuko 
) is a very rare dominantly girly, but uncommonly male forename. The given name Sayuko is characteristic of Eastern Asia, particularly China, where it is an extremely rare female name. Much less frequently, Sayuko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sayuko | China, Brazil, Indonesia, United States, Japan |
| sayuko kobes researcher |
|