Family name กอคำ (กอคำ, Clump 
, Korkham 
) , around the globe, is a very rare cognomen. The surname กอคำ is habitual in Australia, where it is a very rare surname, the United Kingdom, and Thailand. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Clump | United States, Australia, United Kingdom, Canada |
| Korkham | Thailand |