Last name อิทรัตน์ (อิทรัตน์ 
) , throughout the world, is an extremely rare cognomen. The surname อิทรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, อิทรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อิทรัตน์ | Thailand |