Family name Gagy (Gagy 
, Гаги 
) , in all the world, is a very rare cognomen. The surname Gagy is habitual in Egypt, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Ukraine. Measured by absolute frequency, it is commonest in Egypt, India, and Mexico. Likewise, Gagy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gagy | Egypt, United States, India, Brazil, Mexico |
| Гаги | Ukraine, Russia |