Surname Salgai (Salgai 
, Салгай 
) , throughout the world, is a rare last name. The cognomen Salgai is habitual in Eastern Europe, particularly Moldova, where it is quite a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Moldova, Russia, and India. More prevalently, Salgai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Salgai | Afghanistan, India |
| Салгай | Ukraine, Russia, Moldova |