Worldwide, สายา (Saya 
, สายา 
) is a common gender-neutral given name. The first name สายา is habitual in Iraq, where it is quite a common dominantly girly, but seldom masculine name, Qatar, where it is quite a rare gender-neutral name, and Indonesia. In absolute terms, the name is most common in India, Indonesia, and Iraq. Also, สายา is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Saya | Myanmar, Democratic Republic of the Congo, Iraq, India, Indonesia |
| สายา | Thailand |
สายา is also a name for the fictitious and mythical characters: Saya Kaito , the fictional character from the 2017 video game Yandere School; Saya Otonashi , the protagonist in Blood+; Saya Kisaragi , the fictional titular character of Blood-C anime series co-created by studio Production I.G and manga artist group CLAMP and Saya , the fictional Japanese idol.