Family name อัสสัมชัญ (Athsan 
, Assawares , อัสสัมชัญ) , in all the world, is an extremely rare last name. The surname อัสสัมชัญ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, อัสสัมชัญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Athsan | India, Thailand |
| Asawised, Assawares | Thailand |