Surname Tonglad (Tonglad 
) , in the entire world, is a very rare last name. The last name Tonglad is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Tonglad is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tonglad | Nigeria, United States, Thailand |