Family name อาโรจน์ (อาโรจน์ 
) , across the world, is an extremely rare last name. The surname อาโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, อาโรจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อาโรจน์ | Thailand |