Throughout the world, Айлен (Ailen 
, Aylen 
, Айлен 
) is a common girly given name. The given name Айлен is characteristic of Latin America and the Caribbean, particularly Argentina, where it is quite a common female name, Cuba, and Uruguay, where it is quite a rare primarily female, but very infrequently male name. Measured by absolute frequency, the name is most common in Philippines, Argentina, and Tanzania. Much less frequently, Айлен is the last name as well as the forename.