Family name Sumetkijakan (Sumetkijakan 
) , in the world, is an extremely rare last name. The surname Sumetkijakan is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sumetkijakan | Thailand |
| songkiat sumetkijakan Ph.D. University of Maryland College Park 2002 |
|