Worldwide, Aiona (Aiona 
) is a rare dominantly female, but seldom boy's first name. The first name Aiona is habitual in Spain, where it is a very rare mostly feminine, but uncommonly boy's name, Philippines, where it is a very rare feminine name, and Brazil, where it is an extremely rare gender-neutral name. Measured by absolute frequency, this name is the most popular in India, Spain, and Philippines. Likewise, Aiona is the last name as well as the forename.