Last name Boškailo (Boškailo 
) , in all the world, is a rare cognomen. The surname Boškailo is habitual in Southern Europe, particularly Bosnia and Herzegovina, where it is quite a rare surname, and Croatia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Boškailo | Croatia, Bosnia and Herzegovina |
| bisera boškailo BA (b. 1965) |
|