Surname Aimoon (เล็ง 
, Aimoon 
) , in the entire world, is a very rare cognomen. The last name Aimoon is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Aimoon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เล็ง | Thailand |
| Aimoon | India, Thailand |