Cognomen Gä (Gä 
) , around the world, is a rare family name. The surname Gä is habitual in Algeria, where it is a rare surname, Egypt, and Myanmar, where it is a very rare surname. Very seldom, Gä is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gä | Germany, Tunisia, Algeria, Egypt, Myanmar |