Last name อรุโณ (Aruno 
, อรุโณ ) , across the world, is a rare cognomen. The family name อรุโณ is characteristic of Nigeria, where it is a rare surname, Thailand, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Nigeria, Thailand, and India. Likewise, อรุโณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aruno | Greece, Thailand, Nigeria, India, Singapore |
| อรุโณ | Thailand |