Around the globe, Sayis (Seis 
, Sayis 
) is a rare epicene forename. The first name Sayis is habitual in the Dominican Republic, where it is a rare female name, Indonesia, where it is a very rare gender-neutral name, and Colombia, where it is a very rare feminine name. In absolute terms, it is commonest in Indonesia, India, and the Dominican Republic. More frequently, Sayis is the last name as well as the forename.