Cognomen สมใจ-อรุณ (สมใจ-อรุณ 
) , in the entire world, is an extremely rare family name. Predominantly, สมใจ-อรุณ is the forename as well as the last name. Parts of the name also exists independently as a first name สมใจ, and a first name อรุณ.
| VARIANT | COUNTRY |
|---|---|
| สมใจ-อรุณ | Thailand |