Throughout the world, ผักหวาน (Phakwan 
, Phakaywan , Phakhaw 
) is a very rare female forename. The first name ผักหวาน is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare female name. Much less frequently, ผักหวาน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ผักหวาน, Phakaywan, Phakwan | Thailand |
| Phakhaw | India, Thailand |
Phadwan, Phakkhawan, Phakwang, Phakwapee, Phakwasan, Phakwiwan, Phaukwan, Pheakcaaroen, Phuetphakhwan, and Veawwan