In all the world, Cyy (Cyy 
) is a very rare primarily girly, but scarcely male forename. The forename Cyy is habitual in Eastern Asia, particularly Hong Kong, where it is a rare girly name. Likewise, Cyy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cyy | Hong Kong, Malaysia, Taiwan, Thailand, China |