Family name Thongtapae (Thongtapae 
) , throughout the world, is a very rare cognomen. The last name Thongtapae is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thongtapae | Thailand |
Kullpriya, Rattikorn, Teeranart, Teeranard, and Thatchakorn