Cognomen Prakongsab (Prakongsab 
) , globally, is a very rare family name. The last name Prakongsab is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Prakongsab is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prakongsab | Thailand |
Saowanee, Preedaporn, and Nitchakan