Cognomen Forgin (Forgin 
, Форгин 
) , in all the world, is a rare surname. The cognomen Forgin is characteristic of France, where it is a rare surname, Russia, where it is a very rare surname, and Israel. In absolute terms, it is commonest in France, Russia, and India. Very seldom, Forgin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Forgin | Brazil, India, Poland, France, Israel |
| Форгин | Russia |