Surname Inthrasen (Inthrasen 
) , in all the world, is an extremely rare cognomen. The family name Inthrasen is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, Inthrasen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Inthrasen | Thailand, South Africa |