Family name Bashlai (Башлай 
, Bashlai 
) , in the entire world, is a rare cognomen. The surname Bashlai is characteristic of Eastern Europe, particularly Ukraine, where it is a rare surname, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Башлай | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Bashlai | Russia, Georgia |