Family name Gmai (Gmai 
) , around the world, is a rare surname. The last name Gmai is characteristic of Egypt, where it is a rare surname, Germany, where it is an extremely rare surname, and Chile. In absolute terms, it is commonest in Egypt, Germany, and the United States. Very seldom, Gmai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gmai | Germany, Egypt, Chile, United States, India |