Surname ผักหวาน (Phakwan 
, Phakaywan , Phakhaw 
) , throughout the world, is a very rare last name. The last name ผักหวาน is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, ผักหวาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phakaywan, ผักหวาน, Phakwan | Thailand |
| Phakhaw | India, Thailand |
Phadwan, Phakkhawan, Phakwang, Phakwapee, Phakwasan, Phakwiwan, Phaukwan, Pheakcaaroen, Phuetphakhwan, and Veawwan