Cognomen Panhathai (Panhathai 
) , around the world, is an extremely rare surname. Much more frequently, Panhathai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Panhathai | United States, Thailand |
Kanta, Thaichat, Nitilatthi, Ngamwong, Mahasuveerachai, Siribamrungsuk, Boonsinsukh, Prasansook, Thongsanit, Nitisakarin, Wongnarat, Phachayamai, Tantayakorn, Thammachot, Chittangkura, Prangsrithong, Pongtong, Buranaprasoetkun, Promkaew, Khaosawee, Lamai, Louze, Vogel, Yadip, Jaisai, Oupata, Wadlek, Srikaew, Chaipon, Prasunsuk, Pinaikul, Muensuwan, Srisamut, Boonserm, Kasempin, Pankhaodang, and Intarapanict