Worldwide, Siphay (Siphay 
) is a rare epicene forename. The first name Siphay is characteristic of Southern Asia, particularly India, where it is a very rare gender-neutral name. Much less frequently, Siphay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siphay | United States, Thailand, India, Laos |