Family name Ргалай (Ргалай 
) , across the world, is an extremely rare cognomen. The surname Ргалай is habitual in Central Asia, particularly Kyrgyzstan, where it is a very rare surname. More frequently, Ргалай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ргалай | Kyrgyzstan |