In the entire world, Сайана (Sajana 
, Sayana 
, Saiana 
) is a common primarily girly, but very infrequently male forename. The given name Сайана is habitual in Southern Asia, particularly Sri Lanka, where it is quite a rare masculine name, India, where it is quite a rare principally feminine, but scarcely masculine name, and Nepal, where it is quite a rare feminine name. Much less frequently, Сайана is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sajana | United Arab Emirates, Nepal, India, Indonesia, Sri Lanka |
| Sayana | Philippines, United Arab Emirates, India, Indonesia, Democratic Republic of the Congo |
| Saiana | Brazil, Russia, United States, India, Malaysia |
| Сайана | Russia |