In all the world, สุพรรณ์ (Supan 
, Suporn 
, สุพรรณ์ ) is a common epicene forename. The forename สุพรรณ์ is habitual in Thailand, where it is quite a rare gender-neutral name, Turkey, and Oman, where it is a rare boy's name. Measured by absolute frequency, the name is most common in India, Thailand, and Turkey. Likewise, สุพรรณ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Supan | Bangladesh, Philippines, Thailand, India, Turkey |
| Suporn | Taiwan, Thailand, United States, Malaysia, China |
| สุพรรณ์ | Thailand |
| Suphan | Philippines, Thailand, United States, India, Turkey |