Worldwide, ไอลิน (Ailyn 
, Ailin 
, ไอลิน 
) is a common girly given name. The first name ไอลิน is characteristic of Philippines, where it is quite a common girly name, Panama, where it is quite a rare female name, and Cuba. Not in comparison with a country's population, the name is most common in Philippines, Argentina, and India. Much less frequently, ไอลิน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ailyn | Philippines, Argentina, India, China, Cuba |
| Ailin | Tanzania, Philippines, Argentina, India, Cuba |
| ไอลิน | Thailand |