Family name Konguthaikul (Konguthaikul 
) , worldwide, is a very rare last name. The last name Konguthaikul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Konguthaikul | Thailand |
Montri, Pichaya, Sumonpan, Pichakorn, and Mattanapol