Throughout the world, Mattay (Mattay 
) is quite a rare dominantly girly, but uncommonly masculine forename. The forename Mattay is habitual in Southern Asia, particularly India, where it is a very rare dominantly feminine, but seldom boy's name. Very seldom, Mattay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mattay | Tanzania, India, Australia, United States, Thailand |