Family name Pongchak (Pongchak 
) , globally, is an extremely rare last name. The cognomen Pongchak is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Pongchak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pongchak | United States, Thailand |