Cognomen Gizis (Gizis 
) , in all the world, is a very rare family name. The surname Gizis is habitual in Greece, where it is a rare surname, Israel, where it is a very rare surname, and Germany, where it is an extremely rare surname. In absolute terms, this name is the most popular in the United States, Greece, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Gizis | Germany, Greece, Israel, United States |
| john e. gizis researcher |
|