In all the world, Boko (Boko , Book , Боко ) is quite a common dominantly masculine, but infrequently female forename. The first name Boko is characteristic of Japan, where it is quite a rare masculine name, Ethiopia, where it is quite a rare mostly masculine, but seldom feminine name, and Hong Kong, where it is a rare gender-neutral name. Not in comparison with a country's population, it is commonest in Japan, Ethiopia, and Nigeria. More frequently, Boko is the last name as well as the forename.
Boko is also a name for the fictitious and mythical characters: Book , the fictional character from Battle for Dream Island.