Family name גיימן (Gaiman 
, Geiman 
, Gejman 
) , in the world, is quite a rare cognomen. The family name גיימן is characteristic of Israel, where it is quite a rare surname, Estonia, where it is a rare surname, and the United States. In absolute terms, it is the most numerous in the United States, Israel, and Indonesia. Also, גיימן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaiman | Indonesia, Argentina, Japan, United States, Israel |
| Geiman | Argentina, Russia, Colombia, United States, Israel |
| Gejman | Argentina, United States, Malaysia, Spain, Chile |
| גיימן | Israel |