Last name อรรถโรจน์ภิญโญ (อรรถโรจน์ภิญโญ 
) , in the entire world, is an extremely rare cognomen. The family name อรรถโรจน์ภิญโญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| อรรถโรจน์ภิญโญ | Thailand |