Worldwide, Mustiya (Mustiya 
) is a very rare dominantly feminine, but infrequently masculine forename. The forename Mustiya is characteristic of Philippines, where it is a very rare feminine name, and India, where it is an extremely rare epicene name. Likewise, Mustiya is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mustiya | India, Malaysia, Indonesia, Philippines |