Around the globe, Айден (Aiden 
, Ayden 
, Айден 
) is a common dominantly masculine, but uncommonly female first name. The first name Айден is habitual in Ireland, where it is quite a rare boy's name, Macao, and Hong Kong, where it is quite a rare principally boy's, but very seldom girly name. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, Айден is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Aiden | United Kingdom, South Korea, Australia, Ireland, United States |
| Ayden | United Kingdom, Philippines, Ireland, Australia, United States |
| Айден | Azerbaijan, Kazakhstan, Russia, Ukraine |
Айден is also a name for the fictitious and mythical characters: Aiden Ford , the fictional character from Stargate Atlantis; Aiden Mathis , character in Revenge; Aiden Pearce , the Watch Dogs fictional character; Aiden , the fictional character from the television series Teen Wolf and Aiden Burn , the fictional character, CSI: NY.