Surname Долгиы (Долгиы 
, Dolgiy 
) , in the world, is a rare family name. The surname Долгиы is habitual in Belarus, where it is a rare surname, Estonia, and Russia, where it is a very rare surname. Very seldom, Долгиы is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Долгиы | Russia |
| Dolgiy | Russia, Estonia, Belarus, Ukraine, Israel |