Surname Iamon (Iamon 
) , throughout the world, is a very rare cognomen. The cognomen Iamon is characteristic of Thailand, where it is a rare surname, Argentina, where it is an extremely rare surname, and the United States. Likewise, Iamon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iamon | Brazil, India, Thailand, United States, Argentina |