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 | Turkey, Philippines, Thailand, India, Bangladesh |
| Suporn | China, Malaysia, Taiwan, United States, Thailand |
| สุพรรณ์ | Thailand |
| Suphan | Turkey, Philippines, United States, Thailand, India |