Surname สุพรรณ์ (Supan 
, Suporn 
, สุพรรณ์ ) , in all the world, is a common cognomen. The family name สุพรรณ์ is characteristic of Thailand, where it is quite a rare surname, Philippines, and Slovenia. In absolute terms, the name is most common in Philippines, Thailand, and the United States. Likewise, สุพรรณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Supan | Thailand, Bangladesh, India, Philippines, Turkey |
| Suporn | Malaysia, China, Thailand, United States, Taiwan |
| สุพรรณ์ | Thailand |
| Suphan | Thailand, India, Philippines, United States, Turkey |