Family name Khwanthida (Khwanthida 
) , across the world, is an extremely rare surname. Predominantly, Khwanthida is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khwanthida | Thailand |
Panmi, Detchum, Eungnoy, Saengkla, Bonsanong, Khongtan, Lhansetta, Ratsameewichai, and Soonthornpong