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Around the world, بسو (Besso , بسو ) is quite a rare epicene first name. The given name بسو is characteristic of Egypt, where it is quite a rare principally male, but very infrequently female name, Libya, where it is quite a rare female name, and Syria, where it is a rare unisex name. In absolute terms, the name is most common in Egypt, Saudi Arabia, and Sudan. Likewise, بسو is the last name as well as the forename.
بسو is also a name for the fictitious and mythical characters: Besso , the operatic character in the opera Giasone.