Surname Phakungkoon (Phakungkoon 
) , around the world, is a very rare last name. The family name Phakungkoon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phakungkoon | Thailand |
Jitrarat, Thapanun, and Thawatchai