In the world, بيسو (بيسو 
, Biso 
) is a common unisex first name. The first name بيسو is habitual in Egypt, where it is quite a common mostly male, but seldom female name, Libya, where it is quite a rare epicene name, and Syria. In absolute terms, it most frequently occurs in Egypt, India, and Saudi Arabia. Also, بيسو is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| بيسو | Egypt, Libya, Sudan, Syria, Saudi Arabia |
| Biso | Philippines, Egypt, Italy, India, Japan |