Across the world, Ayasu (Ayasu 
) is a rare unisex first name. The first name Ayasu is characteristic of Israel, where it is a rare principally boy's, but very seldom feminine name, Ethiopia, where it is a very rare masculine name, and India, where it is a very rare mostly girly, but seldom male name. Much less frequently, Ayasu is the last name as well as the forename.