Throughout the world, ايسو (ايسو 
, Aiso 
, Eisso 
) is quite a rare epicene forename. The first name ايسو is habitual in Egypt, where it is a rare gender-neutral name, Iraq, and Sudan, where it is a rare female name. Measured by absolute frequency, it is commonest in Egypt, India, and Iraq. Likewise, ايسو is the last name as well as the forename.