Family name Phasuktham (Phasuktham 
) , across the world, is a very rare surname. The surname Phasuktham is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phasuktham | United States, Thailand |
Koachagorn, Supaporn, Nuttapon, and Vanchart