Last name คงตะกูลธรรม (คงตะกูลธรรม 
) , across the world, is an extremely rare cognomen. The surname คงตะกูลธรรม is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| คงตะกูลธรรม | Thailand |